N.Y. Civil Rights Law § 43: Discrimination by labor organizations prohibited

§ 43. Discrimination by labor organizations prohibited. As used in

this section, the term "labor organization" means any organization which

exists and is constituted for the purpose, in whole or in part, of

collective bargaining, or of dealing with employers concerning

grievances, terms or conditions of employment, or of other mutual aid or

protection. No labor organization shall hereafter, directly or

indirectly, by ritualistic practice, constitutional or by-law

prescription, by tacit agreement among its members, or otherwise, deny a

person or persons membership in its organization by reason of his race,

creed, color or national origin, or by regulations, practice or

otherwise, deny to any of its members, by reason of race, creed, color

or national origin, equal treatment with all other members in any

designation of members to any employer for employment, promotion or

dismissal by such employer.