31(5)If the commuted value of the benefit of a member under a defined benefit plan referred to in subsection 29(2) is divided under section 44 of the Act, the pension or deferred pension to which the member is entitled on termination of employment, on retirement or on cessation of membership shall be revalued so that it represents the pension or deferred pension to which the member would have been entitled at that time had the division not been made, less the portion of the deferred pension to which the member’s spouse or common-law partner is entitled on the date of the breakdown of the marriage or common-law partnership, including any escalated adjustment, between the date of the breakdown of the marriage or common-law partnership and the date of termination of employment, retirement or cessation of membership, calculated in accordance with the formula provided under the plan on the date of the breakdown of the marriage or common-law partnership.