2006 New York Code - Official Seal.

 
    §  208.  Official  seal.    The board shall have an official seal. Its
  records, proceedings and copies of  all  papers  and  documents  in  its
  possession  and  custody  may  be authenticated in the usual form, under
  such seal and the signature of any one of the members of  the  board  or
  such  officer or employee of the office of real property services as may
  be designated by the board, and shall be received  in  evidence  in  the
  same  manner  and  with  like  effect as deeds regularly acknowledged or
  proven.