New York Real Property Law Section 318 - Certificate to be recorded.

   318.   Certificate   to   be  recorded.  The  certificate  of  the
  acknowledgment or proof of the  execution  of  an  instrument,  and  the
  certificate  authenticating  the  signature  or  seal  of the officer so
  certifying, or both, if required, must be  recorded  together  with  the
  instrument  so  acknowledged  or proved; otherwise neither the record of
  the instrument nor a transcript thereof can be read in evidence.

Last modified: February 3, 2019