2017 New York Laws
RPP - Real Property
Article 9 - Recording Instruments Affecting Real Property
310 - Authentication of Acknowledgments and Proofs Made Within the State.

  310.  Authentication  of acknowledgments and proofs made within the
  state. 1. When a certificate of acknowledgment or proof is made,  within
  this  state,  by  a  commissioner of deeds, a justice of the peace, town
  councilman, village police justice, or a judge of any court of  inferior
  local  jurisdiction, such certificate does not entitle the conveyance so
  acknowledged or proved to be read in evidence or recorded in any  county
  of  this  state  except  a  county  in  which  the  officer  making such
  certificate is authorized to act at the time of making the same,  unless
  such  certificate is authenticated by a certificate of the clerk of such
  county; provided, however, that all certificates of  acknowlledgment  or
  proof,  made by a commissioner of deeds of the city of New York residing
  in any part therein, shall be authenticated by the clerk of  any  county
  within  said city, in whose office such commissioner of deeds shall have
  filed a certificate under the hand and seal of the city  clerk  of  said
  city,  showing  the appointment and term of office of such commissioner;
  and no other certificates shall be required from any  other  officer  to
  entitle such conveyance to be read in evidence or recorded in any county
  of this state.
2.   Except   as   provided   in   this  section,  no  certificate  of
  authentication shall be required to entitle a conveyance to be  read  in
  evidence  or  recorded  in this state when acknowledged or proved before
  any officer designated in  section  two  hundred  ninety-eight  of  this
  article   to   take   such  acknowledgment  or  proof,  nor  shall  such
  authentication be required for recording  in  the  office  of  the  city
  register  of  the  city of New York of such acknowledgment or proof by a
  commissioner of deeds of the city of New York.