30-31 Vict., c. 3 (U.K.); 1982, c. 11 (U.K.) Constitution Act, 1867 1 Section 128 of the  Constitution Act, 1867  is renumbered as subsection 128(1) and is amended by adding the following: Choice of oath (2) Notwithstanding subsection (1), every Member of the Senate or House of Commons of Canada may take and subscribe the Oath of Office contained in the Fifth Schedule to this Act instead of the Oath of Allegiance or may take and subscribe both. 2 The Fifth Schedule to the Act is amended by adding the following after the Oath of Allegiance: Oath of Office I,  A.B ., do swear that I will carry out my duties in the best interest of Canada while upholding its Constitution. Interpretation Interpretation 3 A reference to the  Constitution Acts, 1867 to 1982  is deemed to include a reference to this Act.