8(1)If the commuted value of the benefit of a member or minister is divided under section 20.1 of the Act, the annual pension, minister’s pension or deferred pension to which the member or minister is entitled on ceasing to be a member shall be revalued so that it represents the annual pension, minister’s pension or deferred pension to which the member or minister would have been entitled at that time had the division not been made, less the spouse’s portion, including any escalated adjustment calculated in accordance with the escalation formula in effect under the Act on the date of marriage breakdown, between the date of marriage breakdown and the date of ceasing to be a member.