59. The periodic amounts payable as pension benefits, except in the case of the pension provided for in section 67.2, shall be equal unless(0.1) the pension is adjusted under the second paragraph of section 58 or the second or third paragraph of section 67.4;
(1) the pension is replaced(a) by a temporary pension provided for in section 91.1 or a pension derived therefrom, in which cases only the periodic amounts relating to that part of the pension that is not replaced must be equal;
(b) by a pension referred to in section 92;
(2) each payable amount is uniformly increased by reason of the application, in determining the pension, of an index or rate specified in the plan, by reason of a redetermination of the pension pursuant to section 89.1 or by reason of the option authorized by subparagraph 2 of the first paragraph of section 93 or is uniformly modified by reason of a redetermination of the pension pursuant to the fifth paragraph of section 87, by reason of options authorized by section 91.1 or by subparagraphs 3, 4 and 6 of the first paragraph of section 93 or by reason of the partition of benefits between the member and the member’s spouse in accordance with Chapter VIII;
(3) the pension is replaced by a lump sum payment or by a series of payments made pursuant to subparagraph 4 or 6 of the first paragraph of section 93;
(4) the pension is increased by reason of the termination of a disability pension under the Act respecting the Québec Pension Plan (chapter R-9)when the member reaches 65 years of age; (5) the amounts payable as a bridging benefit referred to in the first paragraph of section 58 are reduced pursuant to the plan on a date that occurs between the dates mentioned in that paragraph; or
(6) the periodic amounts are payable under a target benefit plan following the application of recovery measures, the restoration of benefits or the appropriation of surplus assets.