N.Y.C. Admin. Code § 12-302: § 12-302 Statement of policy.

It is hereby declared to be the policy of the city to favor and encourage the right of municipal employees to organize and be represented, written collective bargaining agreements on matters within the scope of collective bargaining, the use of impartial and independent tribunals to assist in resolving impasses in contract negotiations, and final, impartial arbitration of grievances between municipal agencies and certified employee organizations.