19. (1) Where, by an enactment or by a rule of the Senate or House of Commons, evidence under oath is authorized or required to be taken, or an oath is authorized or directed to be made, taken or administered, the oath may be administered, and a certificate of its having been made, taken or administered may be given by

(a) any person authorized by the enactment or rule to take the evidence; or

(b) a judge of any court, a notary public, a justice of the peace or a commissioner for taking affidavits, having authority or jurisdiction within the place where the oath is administered.

(2) Where power is conferred on a justice of the peace to administer an oath or solemn affirmation or to take an affidavit or declaration, the power may be exercised by a notary public or a commissioner for taking oaths.

R.S., c. I-23, s. 18.