N.Y.C. Admin. Code § 7-622: § 7-622 Indices to be public records.

Upon the completion of the indexing and reindexing directed by this chapter as to any instruments or liens herein mentioned, the same shall be deposited in the same office in which the respective instruments or liens are required to be kept, or such other place as shall be provided for them, for public use, and the same shall thereupon be public records.