<Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> In 1969, the law was adopted with all - party support in the House of Commons . Despite this, there was not universal support for the law . The premiers of the three Prairie provinces requested, early in 1969, that the Official Languages Bill be referred to the Supreme Court of Canada to determine its constitutionality . They maintained, along with JT Thorson, the former president of the Exchequer Court of Canada, that the bill was outside the powers of the Parliament of Canada . The reference to the court was never made, but the legal question was resolved in 1974, when the Supreme Court ruled, in Jones v. Attorney General of New Brunswick, that the subject matter of the bill was within federal jurisdiction . </P> <P> In subsequent decades the response from provincial governments to the example set by the federal government has been mixed: </P>

When was the official languages act passed in canada