Rules of the Supreme Court of Canada

60 (1) Within 30 days after leave to appeal has been granted or after the filing of a notice of appeal in an appeal for which leave is not required, an appellant, respondent or attorney general shall make a motion to the Chief Justice or a judge to state a constitutional question if that appellant, respondent or attorney general intends to raise a question of

• (a) the constitutional validity or the constitutional applicability of a law of Canada or of a province or of regulations made under them,

• (b) the inoperability of a law of Canada or of a province or of regulations made under them, or

• (c) the constitutional validity or the constitutional applicability of a common law rule.

(2) The time referred to in subrule (1) may be extended by a judge, on motion.