The following provisions govern the notice that must be given in court actions involving a constitutional challenge:
Constitutional Question Act, R.S.B.C. 1996, c. 68
For sample form ("Notice of Constitutional Question"), see McLachlin & Taylor, BC Court Forms, Chapter 5: Other Commencement Process, Form 5F52 (available in most BC Courthouse libraries). This form is also available from the Quicklaw database which is accessible at BC Courthouse Library locations.
Federal Courts Act, R.S.C. 1985, c. F-7, s. 57
Form 69 ("Notice of Constitutional Question")
Rules of the Supreme Court of Canada, SOR 2016-271 , s. 33(2)
Form 33B ("Notice of Constitutional Question")
The Federal Court and the Supreme Court of Canada require that the Notice of Constitutional Question be served on the attorneys general of all the provinces.