N.Y. Comp. Codes R. & Regs. tit. 4, § 28-1.3
(f) In addition to personal illness of the employee, the following types of absence, when approved by the appointing authority, may be charged against accumulated sick leave credits:
(3) personal visits to doctor or dentist.
Proof of the need for such absences, satisfactory to the appointing authority, may be required.
(a)