N.Y. General City Law Section 21
Public or municipal purpose and general welfare defined

19
General grant of powers 20
Grant of specific powers 20‑A
Purchasing department or agency 20‑B
Cities authorized to impose taxes on utilities 20‑C
Temporary investment of certain city funds in obligations of the United States 20‑D
Alternative procedure for acquisition of certain real property, personal property and franchises of omnibus lines within cities having a ... 20‑E
State office buildings and other public improvements in certain cities 20‑F
Transfer of development rights 20‑G
Intermunicipal cooperation in comprehensive planning and land use regulation 21
Public or municipal purpose and general welfare defined 21‑B
Debt service in relation to certain municipal cooperative activities 21‑C
Passenger stations of railroad redevelopment corporations in certain cities 21‑D
Establishment of blood credit systems by cities 21‑E
Operating assistance for water-works corporations in certain cities 21‑F
Operating assistance for certain public utility services 22
This grant in addition to existing powers 23
Powers hereby granted, how to be exercised 24
Construction of this act