N.Y. C.P.L.R. 3131

§ 3131. Scope of interrogatories. Interrogatories may relate to any\nmatters embraced in the disclosure requirement of section 3101 and the\nanswers may be used to the same extent as the depositions of a party.\nInterrogatories may require copies of such papers, documents or\nphotographs as are relevant to the answers required, unless opportunity\nfor this examination and copying be afforded.\n