New York Codes, Rules and Regulations
Title 2 - DEPARTMENT OF AUDIT AND CONTROL
Chapter VI - New York State and Local Employees' Retirement System and New York State and Local Police and Fire Retirement System
Part 309 - Application For Retirement Benefits While On An Authorized Leave Of Absence Without Pay For Medical Reasons Or While Receiving Benefits Payments From Either Workers' Compensation Or Other Employer-funded Disability Programs
Section 309.4 - Workers' compensation or other employer-funded disability programs

For the purposes of this Part, members of the New York State Employees' Retirement System or the New York State Policemen's and Firemen's Retirement System who are receiving benefit payments from either Workers' Compensation or other employer-funded disability programs and whose employment has not terminated by resignation, employer action or any other means, shall be considered to be in service upon which membership in the system is based for a period not exceeding two years from the last date the member was being paid on the payroll.