N.Y.C. Admin. Code § 11-211: § 11-211 Books of annual record of assessed valuation of real estate indicated by identification numbers.

a. The assessed valuation of all taxable real property indicated by identification numbers shall be entered in the main office of the department of finance, and in the branch office in the borough where the same is assessed.

b. The assessors in the districts in the several boroughs which may be assigned to them for that purpose shall furnish to the commissioner of finance at the main office of the department of finance, a detailed statement under oath of the assessable real property indicated by an identification number in such districts, and shall file a duplicate of such statement in the branch office.

c. There shall be kept in the main office of the department of finance, books of the annual record of the assessed valuation of real estate to be known as "the annual record of the assessed valuation of real estate indicated by identification numbers", in which shall be entered the assessed valuations of the real property mentioned in this section.