2010 New York Code
CVP - Civil Practice Law & Rules
Article 31 - (3101 - 3140) DISCLOSURE
R3111 - Production of things at the examination.

Rule  3111.  Production  of  things  at the examination. The notice or
  subpoena may require the production of books, papers and other things in
  the possession, custody or control of the person to be  examined  to  be
  marked  as  exhibits,  and  used  on  the  examination.   The reasonable
  production expenses of a non-party witness  shall  be  defrayed  by  the
  party seeking discovery.

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