N.Y.C. Admin. Code § 11-118: § 11-118 Bureau of city collections; duties.

The duties of the bureau of city collections shall also include the collection of water rents, charges, fines and penalties in connection with the water supply, including arrears, sewer rents, sewer surcharges, charges, fines and penalties in connection with the sewer system as defined in sections 24-514 and 24-523 of the code, including arrears, interest on bonds and mortgages and revenue arising from the sale of property belonging to or managed by the city.