N.Y.C. Admin. Code § 20-922: § 20-922 Encouragement of more generous policies; no effect on more generous policies.

a. Nothing in this chapter shall be construed to discourage or prohibit the adoption or retention of a safe time or sick time policy more generous than that which is required herein.

b. Nothing in this chapter shall be construed as diminishing the obligation of an employer to comply with any contract, collective bargaining agreement, employment benefit plan or other agreement providing more generous safe time or sick time to an employee than required herein.

c. Nothing in this chapter shall be construed as diminishing the rights of public employees regarding safe time or sick time as provided pursuant to federal, state or city law.