23. Where years or parts of a year of service under the Teachers Pension Plan or the Civil Service Superannuation Plan have been considered for the purpose of assessing benefits accrued under the Government and Public Employees Retirement Plan in accordance with section 98 of the Act and where the employee has then declined to have them credited to himself, the sums awarded to the spouse out of the benefits accrued under that plan shall correspond to “M” in the following formula:
VR
SA x — = M
VT
“SA” represents the sums awarded to the spouse at the date of assessment;
“VR” represents the value of the benefits accrued under the plan at the date of assessment, without taking into account the value of the years or parts of a year of service considered for assessment purposes in accordance with section 98 of the Act;
“VT” represents the value of the benefits accrued under the plan at the date of assessment, taking into account the value of the years or parts of a year of service considered for assessment purposes in accordance with section 98 of the Act.