157.1. Notwithstanding the first and second paragraphs of section 157, a retirement pension is payable commencing with the latest of the following months if it is later than 31 December 1983:(a) the month in which the contributor reached 60 years of age;
(b) the month following that in which the contributor applied, if he is under 70 years of age;
(c) the month following that in which the contributor ceased working, if he is then under 65 years of age;
(d) the month in which the contributor reached 65 years of age, if he has not ceased working;
(e) the twelfth month preceding the month following that in which the contributor applied, if he is over 70 years of age;
(f) the month in which the contributor reached 70 years of age, if he applied after reaching that age;
(g) the month of January 1984, if the contributor has reached 60 years of age but not 65 years of age before that month;
(h) the month chosen by the applicant in his application;
(i) the month following the month during which the application for partition was made, where the retirement pension is payable only by reason of unadjusted pensionable earnings allotted following a partition provided for in section 102.1.