N.Y. Real Prop. Acts. Law § 317

§ 317. Order of recording. Every instrument, entitled to be recorded,\nmust be recorded by the recording officer in the order and as of the\ntime of its delivery to him or her therefor, during business hours\nmaintained by the recording officer, and is considered recorded from the\ntime of such delivery; provided, however, that a digitized paper\ndocument or an electronic record shall be considered delivered for\npurposes of this section at the date and time of receipt indicated on an\nelectronic or other written notification which shall be provided by the\nrecording officer immediately upon receipt of a digitized paper document\nor electronic record.\n