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<!-- NOTE: Canadian legislation is italicized per [[MOS:CANADA]], UK and other legislation is not. -->The '''Constitution of Canada''' ({{langx|fr|Constitution du Canada}}) is the supreme [[law of Canada|law in Canada]].<ref name="CanadaCanada2000">{{cite book|author1=Supreme Court of Canada|author1-link=Supreme Court of Canada|author2=Public Works and Government Services Canada|title=The Supreme Court of Canada and its Justices 1875-2000: La Cour suprême du Canada et ses juges 1875-2000|url=https://books.google.com/books?id=s8QhYNvBBxYC&pg=PA27|date=November 1, 2000|publisher=Dundurn|isbn=978-1-77070-095-6|pages=27–}}</ref> It outlines Canada's [[system of government]] and the [[Human rights in Canada|civil and human rights]] of those who are citizens of Canada and non-citizens in Canada.<ref name="MalcolmsonMyers2016">{{cite book|url=https://books.google.com/books?id=xUErDQAAQBAJ&pg=PT75|title=The Canadian Regime: An Introduction to Parliamentary Government in Canada, Sixth Edition|author1=Patrick Malcolmson|author2=Richard Myers|author3=Gerald Baier|author4=Tom Bateman|publisher=University of Toronto Press|year=2016|isbn=978-1-4426-3598-2|pages=75–76}}</ref> Its contents are an amalgamation of various codified [[Act of Parliament|act]]s, treaties between the Crown and Indigenous Peoples (both historical and modern), [[uncodified constitution|uncodified]] traditions and [[constitutional convention (political custom)|convention]]s. Canada is one of the oldest constitutional monarchies in the world.<ref name="CourtneySmith2010">{{cite book|author1=John Courtney. David Smith|title=The Oxford Handbook of Canadian Politics|url=https://books.google.com/books?id=5KomEXgxvMcC&pg=PA21|year=2010|publisher=Oxford University press|isbn=978-0-19-533535-4|page=21}}</ref>

The Canadian constitution includes core written documents and provisions that are [[Entrenched clause|constitutionally entrenched]], take precedence over all other laws and place substantive limits on government action; these include the ''[[Constitution Act, 1867]]'' (formerly the ''British North America Act, 1867)'' and the ''[[Canadian Charter of Rights and Freedoms]].''<ref name=":2">Monahan, Patrick J.; Shaw, Byron; Ryan, Padraic (2017). ''Constitutional Law'' (5th&nbsp;ed.). Toronto, ON: Irwin Law Inc. pp.3-9. {{ISBN|978-1-55221-587-6}}</ref> The ''Constitution Act'', ''1867'' provides for a constitution "similar in principle" to the largely unwritten [[constitution of the United Kingdom]], recognizes Canada as a [[constitutional monarchy]] and [[Federation|federal state]], and outlines the legal foundations of [[Canadian federalism]].<ref>Monahan, Patrick J.; Shaw, Byron; Ryan, Padraic (2017). ''Constitutional Law'' (5th&nbsp;ed.). Toronto, ON: Irwin Law Inc. pp. 52-54. {{ISBN|978-1-55221-587-6}}</ref>

The Constitution of Canada includes written and [[Uncodified constitution|unwritten]] components.<ref name=":2" /> Section 52 of the ''[[Constitution Act, 1982]]'' states that "the Constitution of Canada is the supreme law of Canada" and that any inconsistent law is of no force or effect.<ref name=":2" />  It further lists written documents which are included in the Constitution of Canada; these are the ''[[Canada Act 1982]]'' (which includes the ''Constitution Act, 1982''), the acts and orders referred to in its schedule (including in particular the ''Constitution Act, 1867''), and any amendments to these documents.<ref name="Dunn2015a">{{cite book|author=Christopher Dunn|title=Provinces: Canadian Provincial Politics, Third Edition|url=https://books.google.com/books?id=uJjpCgAAQBAJ&pg=PA297|year=2015|publisher=University of Toronto Press|isbn=978-1-4426-3399-5|page=297}}</ref>

The [[Supreme Court of Canada]] has held that this list is not exhaustive and that the Constitution of Canada includes a number of pre-confederation acts and unwritten components as well.<ref name="Dodek2016">{{cite book|author=Adam Dodek|title=The Canadian Constitution|url=https://books.google.com/books?id=86s7CwAAQBAJ&pg=PT13|year=2016|publisher=Dundurn - University of Ottawa Faculty of Law.|isbn=978-1-4597-3505-7|page=13}}</ref><ref name=":3">Monahan, Patrick J.; Shaw, Byron; Ryan, Padraic (2017). ''Constitutional Law'' (5th&nbsp;ed.). Toronto, ON: Irwin Law Inc. pp.7-8. {{ISBN|978-1-55221-587-6}}</ref> The Canadian constitution also includes the fundamental principles of federalism, democracy, constitutionalism and the rule of law, and respect for minorities.<ref name=":3" /> See [[list of Canadian constitutional documents]] for details.

==History of the constitution==
{{Main|Constitutional history of Canada}}
The first semblance of a constitution for Canada was the [[Royal Proclamation of 1763]].<ref name="Webber2015">{{cite book|author=Jeremy Webber|title=The Constitution of Canada: A Contextual Analysis|url=https://books.google.com/books?id=f357BwAAQBAJ&pg=PA11|year=2015|publisher=Bloomsbury Publishing|isbn=978-1-78225-631-1|page=11}}</ref> The act renamed the northeasterly portion of the former French province of [[New France]] as Province of Quebec, roughly coextensive with the southern third of contemporary Quebec. The proclamation, which established an appointed colonial government, was the constitution of Quebec until 1774 when the British parliament passed the [[Quebec Act]], which expanded the province's boundaries to the [[Ohio River|Ohio]] and [[Mississippi River]]s (one of the grievances listed in the [[United States Declaration of Independence]]). Significantly, the Quebec Act also replaced French criminal law with the English common law system; but the French civil law system was retained for non-criminal matters.<ref name="May2013">{{cite book|author=Stephen May|title=Language and Minority Rights: Ethnicity, Nationalism and the Politics of Language|url=https://books.google.com/books?id=Ejhq5N0UMzEC&pg=PA248|year=2013|publisher=Routledge|isbn=978-1-136-83706-7|page=248}}</ref>
[[Image:Fathers of Confederation LAC c001855.jpg|thumb|left|A painting depicting negotiations that would lead to the enactment of the ''[[British North America Act, 1867]]'']]

The [[Treaty of Paris of 1783]] ended the [[American War of Independence]] and sent a wave of British loyalist refugees northward to Quebec and Nova Scotia.<ref>{{cite book|author=James Harley Marsh|author-link=James Harley Marsh|title=American Revolution|url=https://books.google.com/books?id=wR_-aSFyvuYC&pg=PA71|year=1999|publisher=The Canadian Encyclopedia|isbn=978-0-7710-2099-5|page=71}} = {{cite encyclopedia|url=https://www.thecanadianencyclopedia.ca/en/article/treaty-of-paris-1783|title=Treaty of Paris 1783|encyclopedia=[[The Canadian Encyclopedia]]|access-date=October 8, 2019}}</ref> In 1784, the two provinces were divided: Nova Scotia was split into Nova Scotia, Cape Breton Island (rejoined to Nova Scotia in 1820), Prince Edward Island, and New Brunswick, while Quebec was split into Lower Canada (southern Quebec) and Upper Canada (southern through lower northern Ontario). The winter of 1837–38 saw rebellion in both Canadas, contributing to their re-union as the [[Province of Canada]] in 1841.

The ''British North America Act, 1867'' established the Dominion of Canada as a federation of provinces.<ref name="Hussey">{{cite book|author=W. D. Hussey|title=Government in Great Britain the Empire, and the Commonwealth|url=https://books.google.com/books?id=xHg6AAAAIAAJ&pg=PA250|publisher=Cambridge University Press|page=250|id=GGKEY:Z7HUCT7C4X9}}</ref> Initially, on July 1, 1867, four provinces entered into confederation as "One dominion under the name of Canada": [[Canada West]] (former [[Upper Canada]], now [[Ontario]]), [[Canada East]] (former [[Lower Canada]], now [[Quebec]]), [[Nova Scotia]], and [[New Brunswick]].<ref name="Hussey"/> Title to the [[Northwest Territories]] was transferred by the [[Hudson's Bay Company]] in 1870, out of which the province of [[Manitoba]] (the first to be established by the Parliament of Canada) was created. [[British Columbia]] joined Confederation in 1871, followed by [[Prince Edward Island]] in 1873. The [[Yukon Territory]] was created by Parliament in 1898, followed by [[Alberta]] and [[Saskatchewan]] in 1905 (all out of parts of the Northwest Territories). [[Dominion of Newfoundland|Newfoundland]], Britain's oldest colony in the Americas and by then also a Dominion, joined Confederation in 1949. [[Nunavut]] was created in 1999 from the Northwest Territories.

An [[1926 Imperial Conference|Imperial Conference in 1926]] that included the leaders of all Dominions and representatives from [[British Raj|India]] (which then included [[Myanmar|Burma]], [[Bangladesh]], and [[Pakistan]]), led to the eventual enactment of the [[Statute of Westminster 1931]]. The statute, an essential transitory step from the [[British Empire]] to the [[Commonwealth of Nations]], provided that existing Dominions became fully sovereign of the United Kingdom and any new Dominions would be fully sovereign upon the grant of Dominion status.<ref name="HarrisonFriesen2015">{{cite book|author1=Trevor Harrison|author2=John W. Friesen|title=Canadian Society in the Twenty-First Century, 3e: An Historical Sociological Approach|url=https://books.google.com/books?id=dksqCgAAQBAJ&pg=PA67|year=2015|publisher=Canadian Scholars' Press|isbn=978-1-55130-735-0|pages=67–69}}</ref> Although listed, Newfoundland never ratified the statute so was still subject to imperial authority when its entire system of government and economy collapsed in the mid-1930s. Canada did ratify the statute but with a requested exception—the Canadian federal and provincial governments could not agree on an amending formula for the Canadian constitution. It would be another 50 years before this was achieved. In the interim, the British parliament periodically passed constitutional amendments when requested by the government of Canada. This was never anything but a [[Rubber stamp (politics)|rubber stamp]].<ref>{{cite web |url=http://dsp-psd.pwgsc.gc.ca/Collection-R/LoPBdP/BP/prb0004-e.htm |title=International Treaties: Canadian Practice |first=Daniel |last=Dupras |date=April 3, 2000 |work=Depository Services Program |publisher=Public Works and Government Services Canada |access-date=December 17, 2010 |quote="In 1931, under the ''Statute of Westminster'', Canada and other British dominions, acquired full independence(4) and with it authority to act internationally with all the attributes of a sovereign state. Full power over foreign affairs was thus conferred on Canada and section 132 of the ''Constitution Act, 1867'' became obsolete." Footnote 4: "Except with respect to amendments to Canada's Constitution, which remained under the British Parliament's jurisdiction until 1982."}}</ref>

The [[patriation]] of the Canadian constitution was achieved in 1982 when the British parliament, with the request and assent of the Canadian parliament, passed the ''[[Canada Act 1982]]'', which included in its schedules the ''[[Constitution Act, 1982]]''. The United Kingdom thus renounced any remaining responsibility for, or jurisdiction over, Canada. In a formal ceremony on [[Parliament Hill]] in Ottawa, Queen [[Elizabeth II]] proclaimed the ''Constitution Act, 1982'' into law on April 17, 1982.<ref name="McMenemy2006">{{cite book|author=John McMenemy|title=The Language of Canadian Politics: A Guide to Important Terms and Concepts|url=https://books.google.com/books?id=WeV0CwAAQBAJ&pg=PA271|year=2006|publisher=Wilfrid Laurier Univ. Press|isbn=978-0-88920-694-6|pages=271–272}}</ref>

The ''Constitution Act, 1982'', includes the ''[[Canadian Charter of Rights and Freedoms]]''. Before the Charter, various statutes protected an assortment of civil rights and obligations but nothing was enshrined in the constitution until 1982. The Charter has thus placed a strong focus upon individual and collective rights of the people of Canada.<ref name="Tierney2016">{{cite book|author=Stephen Tierney|title=Accommodating Cultural Diversity|url=https://books.google.com/books?id=NBXPCwAAQBAJ&pg=PT95|year=2016|publisher=Routledge|isbn=978-1-317-18591-8|page=95}}</ref> The enactment of the Charter of Rights and Freedoms has fundamentally changed much of Canadian [[constitutional law]].<ref name="Newman2004">{{cite book|author=Stephen L. Newman|title=Constitutional Politics in Canada and the United States|url=https://books.google.com/books?id=28X4RsAOftgC&pg=PA63|year=2004|publisher=York University Press|isbn=978-0-7914-5937-9|pages=63–65}}</ref> The act also codified many previously oral constitutional conventions and made amendment of the constitution in general significantly more difficult. Previously, the Canadian constitution could be formally amended by an act of the British parliament, or by informal agreement between the federal and provincial governments, or even simply by adoption as the custom of an oral convention or performance that shows precedential but unwritten tradition. Since the act, textual amendments must now conform to certain specified provisions in the written portion of the Canadian constitution.

==''Constitution Act, 1867''==
{{Main|Constitution Act, 1867}}
{{More citations needed section|date=June 2017}}
This was an Act of the British parliament, originally called the ''British North America Act, 1867''. It outlined Canada's system of government, which combines Britain's Westminster model of parliamentary government with the division of sovereignty ([[Canadian federalism|federalism]]). Although it is the first of 20 ''[[British North America Acts]]'', it is the most famous as the primary document of [[Canadian Confederation]]. With the patriation of the Constitution in 1982, this Act was renamed ''Constitution Act, 1867''. In recent years, the 1867 document has mainly served as the basis on which the division of powers between the provinces and the federal government is analyzed.

==''Constitution Act, 1982''==
{{Main|Constitution Act, 1982}}
{{More citations needed section|date=June 2017}}
Endorsed by all provincial governments except that of Quebec, this was the formal Act of Parliament that effected Canada's full legislative independence from the [[United Kingdom]]. Part V of this act established an amending formula for the Canadian constitution, the lack of which (due to more than 50 years of disagreement between the federal and provincial governments) meant Canada's constitutional amendments still required enactment by the British parliament after Statute of Westminster in 1931.

The ''Constitution Act, 1982'' was enacted as a schedule to the ''Canada Act 1982'', a British Act of Parliament which was introduced at the request of a joint address to Queen Elizabeth II by the Senate and House of Commons of Canada. The version of the ''Canada Act 1982'' which is in force in Britain is in English only, but the version of the act in force in Canada is bilingual, English and French. In addition to enacting the ''Constitution Act, 1982'', the ''Canada Act 1982'' provides that no further British acts of Parliament will apply to Canada as part of its law, finalizing Canada's legislative independence.

===Canadian Charter of Rights and Freedoms===
{{Main|Canadian Charter of Rights and Freedoms}}
As noted above, this is Part I of the ''Constitution Act, 1982''. The Charter is the constitutional guarantee of the civil rights and liberties of every citizen in Canada, such as freedom of expression, of religion, and of mobility.<ref name=":1">{{Cite journal|last=Phillips|first=O. Hood|date=January 17, 2008|title=The Canada act 1982|url=https://www.cambridge.org/core/journals/international-and-comparative-law-quarterly/article/canada-act-1982/FB0564CAEFC513837534568C8DF05376|journal=International & Comparative Law Quarterly|volume=31|issue=4|pages=845–848|doi=10.1093/iclqaj/31.4.845|via=Cambridge University Press Journals Digital Archive}}</ref> Part II addresses the rights of [[Aboriginal peoples in Canada]].<ref name=":1" />

It is written in plain language to ensure accessibility to the average citizen. It applies only to government and government actions to prevent the government from creating unconstitutional laws.

===Amending formula===
{{Main|Amendments to the Constitution of Canada}}
Instead of the usual parliamentary procedure, which includes the monarch's formal [[royal assent]] for enacting legislation, amendments to any of the acts that collectively form the constitution must be done in accordance with Part V of the ''Constitution Act, 1982'', which provides for five different amending formulae. Amendments can be brought forward under section 46(1) by any province or the federal legislature. The general formula set out in section 38(1), known as the "7/50 formula", requires: (a) assent from both the House of Commons and the Senate; (b) the approval of two-thirds of the provincial legislatures (at least seven provinces) representing at least 50 per cent of the population of the provinces (effectively, this would include at least Quebec or Ontario, as they are the most populous provinces). This formula specifically applies to amendments related to the proportionate representation in Parliament, powers, selection, and composition of the Senate, the Supreme Court and the addition of provinces or territories.

The other amendment formulae are for particular cases as provided by the act. An amendment related to the [[Monarchy of Canada|Office of the King]], the use of either official language (subject to section 43), the amending formula itself, or the composition of the Supreme Court, must be adopted by unanimous consent of all the provinces in accordance with section 41. In the case of an amendment related to provincial boundaries or the use of an official language within a province alone, the amendment must be passed by the legislatures affected by the amendment (section 43). In the case of an amendment that affects the federal government only, the amendment does not need the approval of the provinces (section 44). The same applies to amendments affecting the provincial government alone (section 45).

==Sources of the constitution==
{{Further|List of Canadian constitutional documents|Aboriginal land title#Canada|The Canadian Crown and Indigenous peoples of Canada|Canadian Aboriginal law|Numbered treaties|page 4=|page 5=}}
Canada's constitution has roots going back to the thirteenth century, including England's [[Magna Carta]] and the first [[Parliament of England|English Parliament of 1275]].<ref>{{citation| last=Tidridge| first=Nathan| title=Canada's Constitutional Monarchy: An Introduction to Our Form of Government| page=54| publisher=Dundurn Press| location=Toronto| year=2010| isbn=9781459700840| url=https://books.google.com/books?id=JvGsvHsAtDgC}}</ref> Canada's constitution is composed of several individual statutes. There are three general methods by which a statute becomes entrenched in the Constitution:
# Specific mention as a constitutional document in section 52(2) of the ''Constitution Act, 1982'' (e.g., the ''Constitution Act, 1867'').
# Constitutional entrenchment of an otherwise statutory English, British, or Canadian document because its (still in force) subject-matter provisions are explicitly assigned to one of the methods of the amending formula (per the ''Constitution Act, 1982'')—e.g., provisions with regard to the monarchy in the English [[Bill of Rights 1689]]<ref>{{cite web| url=http://senparlvu.parl.gc.ca/Guide.aspx?viewmode=4&categoryid=-1&eventid=8763&Language=E| last=Senate of Canada| title=LCJC Meeting No. 74| date=March 20, 2013| publisher=Queen's Printer for Canada| access-date=March 24, 2013| url-status=dead| archive-url=https://web.archive.org/web/20130614215631/http://senparlvu.parl.gc.ca/Guide.aspx?viewmode=4&categoryid=-1&eventid=8763&Language=E| archive-date=June 14, 2013| df=mdy-all}}</ref><ref>[https://scc-csc.lexum.com/scc-csc/scc-csc/en/item/2519/index.do ''Re: Resolution to amend the Constitution'', [1981<nowiki>]</nowiki> 1 SCR 753 at p. 785.]</ref> or the [[Act of Settlement 1701]]. 
#*English and British statutes are part of Canadian law because of the [[Colonial Laws Validity Act 1865]]; section 129 of the ''Constitution Act, 1867''; and the Statute of Westminster 1931. If still at least partially unrepealed those laws then became entrenched when the amending formula was made part of the constitution.<ref>{{Cite web|title=The Statute of Westminster: A Stepping Stone towards Canadian Independence|url=https://www.lawnow.org/the-statute-of-westminster-a-stepping-stone-towards-canadian-independence/|access-date=July 8, 2021|website=www.lawnow.org}}</ref>
# Reference by an entrenched document—e.g., the Preamble of the ''Constitution Act, 1867''{{'s}} entrenchment of written and unwritten principles from the [[constitution of the United Kingdom]] or the ''Constitution Act, 1982''{{'s}} reference to the [[Proclamation of 1763]]. 
#*Crucially, this includes Aboriginal rights and Crown treaties with particular First Nations (e.g., historic "numbered" treaties; modern land-claims agreements).

===Unwritten or uncodified sources===
The existence of unwritten constitutional components was reaffirmed in 1998 by the Supreme Court in ''[[Reference re Secession of Quebec]]''.<ref name="Pentassuglia2009">{{cite book|author=Gaetano Pentassuglia|title=Minority Groups and Judicial Discourse in International Law: A Comparative Perspective|url=https://books.google.com/books?id=mZbl0WBuk8oC&pg=PA117|year=2009|publisher=Martinus Nijhoff Publishers|isbn=978-90-04-17672-0|page=117}}</ref>
<blockquote>The Constitution is more than a written text. It embraces the entire global system of rules and principles which govern the exercise of constitutional authority. A superficial reading of selected provisions of the written constitutional enactment, without more, may be misleading.</blockquote>

In practice, there have been three sources of unwritten constitutional law:<ref name="BaumanKahana2006">{{cite book|author1=Richard W. Bauman|author2=Tsvi Kahana|title=The Least Examined Branch: The Role of Legislatures in the Constitutional State|url=https://books.google.com/books?id=0KpYkm9SJvAC&pg=PA159|year=2006|publisher=Cambridge University Press|isbn=978-1-139-46040-8|pages=159–161}}</ref>

; Conventions: [[Constitutional convention (political custom)|Constitutional convention]]s form part of the constitution, but they are not judicially enforceable.<ref name="OliverFusaro2011">{{cite book|author1=Dawn Oliver|author2=Carlo Fusaro|title=How Constitutions Change: A Comparative Study|url=https://books.google.com/books?id=AoV6BAAAQBAJ&pg=PT16|date=August 9, 2011|publisher=Bloomsbury Publishing|isbn=978-1-84731-788-9|pages=16–}}</ref> They include the existence of the office of [[Prime Minister of Canada|prime minister]] and the [[Cabinet of Canada|Cabinet]], the practise that the Crown in most circumstances is required to grant [[royal assent]] to bills adopted by both houses of Parliament, and the requirement that the prime minister either resign or request a dissolution and general election upon losing a vote of confidence in the [[House of Commons of Canada|House of Commons]].
; Royal prerogative: Reserve powers of the Canadian Crown, being remnants of the powers once held by the British Crown, reduced over time by the parliamentary system. Primarily, these are the [[Order in Council|orders in Council]], which give the government the authority to declare war, conclude treaties, issue passports, make appointments, make regulations, incorporate, and receive lands that [[escheat]] to the Crown.<ref name="Jackson2013">{{cite book|author=D. Michael Jackson|title=The Crown and Canadian Federalism|url=https://books.google.com/books?id=Y9_abe_a1m8C&pg=PT61|date=August 31, 2013|publisher=Dundurn|isbn=978-1-4597-0990-4|pages=61–}}</ref>
; Unwritten principles:Principles that are incorporated into the Canadian constitution by the preamble of the ''[[Constitution Act, 1867]]'', including a statement that the constitution is "similar in Principle to that of the United Kingdom", much of which is unwritten.<ref name="BrydenAnastakis2009">{{cite book|author1=Penny Bryden|author2=Dimitry Anastakis|title=Framing Canadian Federalism|url=https://books.google.com/books?id=ZrwpIRcRwIAC&pg=PA21|year=2009|publisher=University of Toronto Press|isbn=978-0-8020-9436-0|page=21}}</ref> Unlike conventions, they are [[Justiciability|justiciable]]. Amongst those principles most recognized as constitutional to date are [[federalism]], [[liberal democracy]], [[constitutionalism]], the [[rule of law]], and respect for minorities.<ref>these were identified in [[Reference re Secession of Quebec]] [1998] 2 S.C.R. 217</ref> Others include [[responsible government]], [[representation by population]],<ref>{{cite web |url=http://www.collectionscanada.gc.ca/confederation/023001-3010.43-e.html |title=ARCHIVED - Key Terms - Provinces and Territories - Canadian Confederation - Library and Archives Canada |publisher=Collectionscanada.gc.ca |access-date=April 17, 2013 |archive-url=https://web.archive.org/web/20130213082237/http://www.collectionscanada.gc.ca/confederation/023001-3010.43-e.html |archive-date=February 13, 2013 |url-status=dead }}</ref> [[judicial independence]], [[parliamentary supremacy]],<ref>[http://www.mapleleafweb.com/features/parliamentary-government-canada-basic-organization-and-practices< Parliamentary Government in Canada: Basic Organization and Practices]{{Dead link|date=July 2019 |bot=InternetArchiveBot |fix-attempted=yes }}</ref> and an [[implied bill of rights]]. In one case, the [[Provincial Judges Reference]] (1997), a law was held invalid for contradicting an unwritten principle (in this case judicial independence).

==Provincial constitutions==
Unlike in most federations, Canadian provinces do not have written provincial constitutions.<ref name=":0">{{Cite web|url=https://statecon.camden.rutgers.edu/sites/statecon/files/subpapers/morton.pdf |archive-url=https://web.archive.org/web/20191107143537/https://statecon.camden.rutgers.edu/sites/statecon/files/subpapers/morton.pdf |archive-date=November 7, 2019 |url-status=live|title=Conference on "Federalism and Sub-national Constitutions: Design and Reform"|access-date=December 16, 2019}}</ref> Provincial constitutions are instead a combination of [[uncodified constitution]], provisions of the Constitution of Canada, and provincial statutes.

Overall structures of provincial governments (like the legislature and cabinet) are described in parts of the Constitution of Canada. Governmental structure of the original four provinces (Nova Scotia, New Brunswick, Quebec, and Ontario) is described in Part V of the ''Constitution Act, 1867''. The three colonies that joined Canada after Confederation (British Columbia, Prince Edward Island, and Newfoundland and Labrador) had existing UK legislation which described their governmental structure, and this was affirmed in each colony's ''Terms of Union'', which now form part of Canada's Constitution.<ref>''[[British Columbia Terms of Union]]'', May 16, 1871 (UK), reprinted in RSC 1985, App II, No 10; the schedules of ''[[Prince Edward Island Terms of Union]]'', June 29, 1873 (UK), reprinted in RSC 1985, App II, No 12; and ''[[Terms of Union of Newfoundland with Canada]]'', 12 & 13 Geo VI, c 22 (UK), reprinted in RSC 1985, App II, No 32.</ref> The remaining three provinces (Manitoba, Saskatchewan, and Alberta) were created by federal statute. Their constitutional structures are described in those statutes, which now form part of Canada's Constitution.<ref>''Manitoba Act, 1870'', SC 1870, c 3; ''Alberta Act'', SC 1905, c 3; and ''Saskatchewan Act'', SC 1905, c 42.</ref>

All provinces have enacted legislation that establishes other rules for the structure of government. For example, every province (and territory) has an act governing elections to the legislature, and another governing procedure in the legislature. Two provinces have explicitly listed such acts as being part of their provincial constitution; see ''[[Constitution of Quebec]]'' and [[Constitution Act (British Columbia)|''Constitution Act'' (British Columbia)]]. However, these acts do not, generally, supersede other legislation and do not require special procedures to amend, and so they function as regular statutes rather than constitutional statutes.

A small number of non-constitutional provincial laws do supersede all other provincial legislation, as a constitution would. This is referred to as [[quasi-constitutionality]]. Quasi-constitutionality is often applied to human rights laws, allowing those laws to act as a ''de facto'' constitutional charter of rights. For example, laws preventing discrimination in employment, housing, and services have clauses making them quasi-constitutional in ten of thirteen jurisdictions.<ref>''[[Human Rights Code (British Columbia)|Human Rights Code]]'', RSBC 1996, c 210, s 4; ''Alberta Human Rights Act'', RSA 2000, c A-25.5, s 1(1); ''The Saskatchewan Human Rights Code'', SS 1979, c S-24.1, s 44; ''The Human Rights Code'', CCSM c H175, s 58; ''[[Human Rights Code (Ontario)|Human Rights Code]]'', RSO 1990, c H.19, s 47(2); ''[[Quebec Charter of Human Rights and Freedoms|Charter of Human Rights and Freedoms]]'', CQLR c C-12, s 52; ''Human Rights Act'', RSPEI 1988, c H-12, s 1(2); ''Human Rights Act'', 2010, SNL 2010, c H-13.1, s 5; ''Human Rights Act'', RSY 2002, c 116, s 39; ''Human Rights Act'', CSNu, c H-70, s 5(1).</ref>

===Amending provincial constitutions===

Section&nbsp;45 of the ''Constitution Act, 1982'' allows each province to amend its own constitution. This applies, for example, to provincial statute laws like ''Constitution of Quebec'' and ''Constitution Act (British Columbia)''. However, if the desired change would require an amendment to any documents that form part of the Constitution of Canada, it would require the consent of the Senate and House of Commons under section&nbsp;43. This was done, for example, by the ''Constitution Amendment, 1998'', when Newfoundland asked the federal government to amend the ''Terms of Union of Newfoundland'' to allow it to end denominational quotas for religion classes.<ref>''Constitution Amendment, 1998 (Newfoundland Act)'', SI/98-25, (1998) C Gaz II, Extra No 1.</ref>

A small number of statutes within provincial constitutions cannot be amended by a simple majority of the legislative assembly, despite section&nbsp;45. For example, section&nbsp;7 of the ''Constitution of Alberta Amendment Act, 1990'' requires plebiscites of [[Métis]] settlement members before that Act can be amended.<ref>''Constitution of Alberta Amendment Act, 1990'', RSA 2000, c C-24.</ref> Courts have not yet ruled about whether this kind of language really would bind future legislatures, but it might do so if the higher bar was met when creating the law.<ref name=":0" />

Three amendments to provincial constitutions in the 2020s have been controversially framed as amendments to the ''Constitution Act 1867''. These are Quebec statutes purporting to add sections&nbsp;90Q and 128Q and a Saskatchewan statute purporting to add section&nbsp;90S. Because the Senate and House of Commons did not authorise these amendments, they would only have effect if they are amendments to provincial constitutions under the section&nbsp;45 amending procedure. Constitutional scholars are divided on the validity of an amendment to a provincial constitution framed as an addition to part of the Constitution of Canada.<ref>{{citation| url=https://www.constitutionalstudies.ca/2021/08/11094/| last=England| first=Elizabeth| title=The Constitutional Amendments in Quebec's Bill 96: Whose Consent is Needed?| date=August 3, 2021| publisher=Centre for Constitutional Studies| accessdate=July 28, 2023}}</ref><ref>{{citation| last1=Taillon| first1=Patrick| last2=Cauchon| first2=Hubert| chapter=Formal Constitutions of the Federating and Federated States of Canada| editor-last1=Albert| editor-first1=Richard| editor-last2=Sirota| editor-first2=Léonid | title=Does Quebec Need a Written Constitution?| location=Montreal| publisher=McGill-Queen's University Press| date=2023| page=88}}</ref>

==Vandalism of the proclamation paper==
In 1983, Peter Greyson, an art student, entered Ottawa's National Archives (known today as [[Library and Archives Canada]]) and poured red paint mixed with glue over a copy<ref>{{cite news |title=Why the Charter has its red blotch |url=https://www.theglobeandmail.com/news/politics/why-the-charter-has-its-red-blotch/article4100514/ |access-date=October 18, 2019 |work=The Globe and Mail |date=April 15, 2012}}</ref> of the proclamation of the 1982 constitutional amendment. He said he was displeased with the federal government's decision to allow United States missile testing in Canada and had wanted to "graphically illustrate to Canadians" how wrong he believed the government to be. Greyson was charged with public mischief and sentenced to 89 days in jail, 100 hours of community work, and two years of probation.<ref>{{cite news | url=http://www.cbc.ca/archives/entry/1984-missile-protester-sentenced-for-defacing-constitution | work=[[CBC News]] | title=Missile Protester sentenced for defacing constitution | url-status=dead | archive-date=October 9, 2016 | archive-url=https://web.archive.org/web/20161009110019/http://www.cbc.ca/archives/entry/1984-missile-protester-sentenced-for-defacing-constitution | access-date=May 31, 2017 }}</ref> A grapefruit-sized stain remains on the original document; restoration specialists opted to leave most of the paint intact, fearing that removal attempts would only cause further damage.<ref>{{cite news | url=http://www.cbc.ca/archives/categories/politics/the-constitution/the-constitution-general/missile-protestor-defaces-constitution.html | work=[[CBC News]] | title=Missile Protestor defaces Constitution | url-status=dead | archive-date=December 23, 2012 | archive-url=https://web.archive.org/web/20121223113240/http://www.cbc.ca/archives/categories/politics/the-constitution/the-constitution-general/missile-protestor-defaces-constitution.html | access-date=October 1, 2012 }}</ref>

==See also==
{{Portal|Canada|Politics|Law}}
* [[Constitutionalism]]

==References==
{{Reflist|30em}}

== Further reading ==
{{refbegin}}
* {{citation |last=Munro |first=Joseph Edwin Crawford |year=1889 |title=The Constitution of Canada |url=https://books.google.com/books?id=6P88AAAAIAAJ&q=Constitution%20of%20Canada&pg=PR9 |publisher=Cambridge University Press }}
*{{cite journal |last=Doull |first=James |author-link=James Doull |title=The Philosophical Basis of Constitutional Discussion in Canada |journal=[[Animus (journal)|Animus]] |year=1997 |volume=2 |url=http://www2.swgc.mun.ca/animus/Articles/Volume%202/doull1.pdf |archive-url=https://web.archive.org/web/20111003190454/http://www2.swgc.mun.ca/animus/Articles/Volume%202/doull1.pdf |archive-date=October 3, 2011 |url-status=live |issn=1209-0689 |access-date=August 9, 2011}}
*{{cite book |author=Christian Leuprecht |title=Essential Readings in Canadian Constitutional Politics |url=https://books.google.com/books?id=kDN1WzoaFNEC&pg=PP1 |year=2011 |publisher=University of Toronto Press |isbn=978-1-4426-0368-4}}
*{{cite book |last=Manfredi |first=Christopher |author2=James B. Kelly |url=https://books.google.com/books?id=y9bySE_p-UQC&pg=PP1 |title=Contested Constitutionalism: Reflections on the ''Canadian Charter of Rights and Freedoms'' |year=2009 |publisher=UBC Press |isbn=978-0-7748-1674-8}}
{{refend}}

==External links==
{{Commons category}}
{{Wikisource|Constitution Act, 1982}}
{{Wikisource|British North America Act, 1867}}
* [http://laws.justice.gc.ca/eng/Const/Const_index.html Full text of the Constitution]
* {{cite web |url=http://www.canadiana.org/citm/ |title=Canada in the Making |archive-date=December 10, 2005 |archive-url=https://web.archive.org/web/20051210104643/http://www.canadiana.org/citm/}} – a comprehensive history of the Canadian Constitution with digitized primary sources.
* [http://www.charterofrights.ca/language.php Fundamental Freedoms: The Charter of Rights and Freedoms] – Charter of Rights and Freedoms website with video, audio and the Charter in over 20 languages. {{Webarchive|url=https://web.archive.org/web/20120809211304/http://www.charterofrights.ca/language.php |date=August 9, 2012 }}
* [http://www.solon.org/Constitutions/Canada/English/Proposals/MeechLake.html Meech Lake Accord, 1987]
* [http://www.solon.org/Constitutions/Canada/English/Proposals/CharlottetownConsensus.html Charlottetown Accord, 1992]
* [http://www.solon.org/Constitutions/Canada/English/Proposals/charlottetown-res.html Results of Referendum on the Charlottetown Accord, 1992]
* [http://www.cbc.ca/archives/categories/politics/the-constitution/charting-the-future-canadas-new-constitution/topic---charting-the-future-canadas-new-constitution.html CBC Digital Archives – Charting the Future: Canada's New Constitution]
* [http://www.cbc.ca/archives/categories/politics/the-constitution/canadas-constitutional-debate-what-makes-a-nation/topic---canadas-constitutional-debate-what-makes-a-nation.html CBC Digital Archives – Canada's Constitutional Debate: What Makes a Nation?]
*[https://web.archive.org/web/20140427222923/http://originaldocuments.ca/ OriginalDocuments.ca]
*[https://www.thecanadianencyclopedia.ca/en/article/constitution/ Constitution of Canada]

{{Constitution of Canada}}
{{Canada topic|Constitution of}}
{{Canada topics}}
{{Americas topic|Constitution of|title=Constitutions of countries in the Americas}}

{{DEFAULTSORT:Constitution Of Canada}}
[[Category:Constitution of Canada| ]]
[[Category:Uncodified constitutions]]