Preliminary service credit for a report period shall be expressed as a fraction, the numerator of which shall be the number of days worked on the payrolls paid in the report period and the denominator of which shall be 260. The Retirement System will determine this preliminary service credit using the number of days worked as reported by the employer in accordance with the provisions of Part 315 of this Title (2 NYCRR 315). In no event shall preliminary service credit exceed the fraction obtained by dividing the gross salary paid in the report period by the product of the State's minimum wage and 2,000 hours.

Service credit allowed within any fiscal year of the State shall be equal to the accumulated preliminary service credit within that year upon determination by the Retirement System that the amount of reported preliminary service is accurate.