2010 New York Code
CVP - Civil Practice Law & Rules
Article 31 - (3101 - 3140) DISCLOSURE
R3109 - Notice of taking deposition on written questions.

Rule  3109.  Notice  of  taking  deposition  on written questions. (a)
  Notice of taking; service of  questions  and  cross-questions.  A  party
  desiring  to  take  the  deposition of any person upon written questions
  shall serve such questions  upon  each  party  together  with  a  notice
  stating  the  name  and  address of the person to be examined, if known,
  and, if the name is not  known,  a  general  description  sufficient  to
  identify  him  or the particular class or group to which he belongs, and
  the name or descriptive title and address of the officer before whom the
  deposition is to be taken. Within fifteen days  thereafter  a  party  so
  served  may  serve written cross-questions upon each party. Within seven
  days thereafter the original party may serve written redirect  questions
  upon  each  party.  Within  five  days  after  being served with written
  redirect questions, a party may  serve  written  recross-questions  upon
  each party.
    (b)  Officer asking written questions. A copy of the notice and copies
  of all written questions served shall be delivered by the  party  taking
  the  deposition  to  the  officer  designated in the notice. The officer
  shall proceed promptly to take the testimony of the witness in  response
  to the written questions and to prepare the deposition.