30(4)Subject to subsection 43(8), if the commuted value of the deferred pension of a member or a former member under a defined benefit plan is divided under section 44 of the Act, the common-law partner’s portion shall be credited with interest at a rate not lower than the rate set out in paragraph 43(1)(
a) from the date of the breakdown of the common-law partnership to the date on which the common-law partner’s portion is credited to the common-law partner under the pension plan or is transferred or used for a purchase under section 36 or 44 of the Act, both dates inclusive.