N.Y. Comp. Codes R. & Regs. tit. 4 § 23.3
An employee who is appointed, promoted or transferred from one department or agency to another shall be compensated in cash by the department or agency from which he is so appointed, promoted or transferred for such of his overtime credits up to 30 days as cannot be liquidated by compensatory time off prior to such appointment, promotion or transfer. An employee who is appointed, promoted or transferred from one unit or institution to another within the same department or agency in the Office of Mental Health, the Office of Mental Retardation and Developmental Disabilities, the Department of Health, the Department of Correctional Services, or the Division for Youth, or within the State University, shall not be compensated in cash for overtime but such credits shall be transferred to the new unit or institution with the employee.
N.Y. Comp. Codes R. & Regs. Tit. 4 § 23.3