180.1. For the years in respect of which a partition has been effected under section 102.1 or 102.10.3 and under a similar plan, the proportion provided in section 180 is replaced by the proportion that(a) his unadjusted pensionable earnings allotted to him as a result of a partition effected under section 102.1 or 102.10.3 are of
(b) the aggregate of his unadjusted pensionable earnings allotted to him as a result of a partition effected under section 102.1 or 102.10.3 and those allotted to him under the similar plan.