Individuals covered by this Part, as described in section 360.1 of this Part, shall be considered to have been employed full-time for an entire school year for service crediting purposes if and only if they have been reported by the employer to the Retirement System as being paid on the payroll for not less than 170 days (including paid vacation and paid holidays) between July 1st of any calendar year and June 30th of the following calendar year.
N.Y. Comp. Codes R. & Regs. Tit. 2 § 360.2