Rule 113. The board shall grant a year of service credit to any member who has been employed during the school fiscal year from July 1 to June 30 for 170 days of not less than 6 hours per day. A maximum of 30 hours per week shall be accrued. The board may allow a year of service credit if the member was employed for a minimum of 150 days when it is needed to qualify a member or beneficiary for a monthly allowance in the final year of service. This minimum may also be used when the employing school agency's full-time employee's term of employment is less than 170 days.
Mich. Admin. Code R. 38.1113