Section 525. Trial and grand jurors; duration of service

(a) Except as
  provided in subdivision (d) of this section, service of trial jurors  in
  courts  of  the  unified  court system shall not be more than five court
  days actual attendance or for such shorter period as the commissioner of
  jurors shall determine, except that such service  shall  continue  until
  the conclusion of any trial in which a juror may be engaged.
    (b)  Service  of  grand  jurors  in courts of the unified court system
  shall be for the duration of the term for which they  have  been  drawn,
  unless  sooner  discharged;  except that if the term of a grand jury has
  been extended by written order of the court having supervision  of  such
  grand  jury,  service  shall  continue  until  such  grand jury has been
  discharged.
    (c) For the purposes of this section, actual attendance shall  include
  a  juror's  actual  physical  attendance  wherein  the court convenes or
  service by means of a telephone standby system  whereby  a  juror  shall
  remain  available  to report for jury service upon notification by means
  of telephone or other electronic communication.
    (d) If  the  commissioner  of  jurors,  after  consultation  with  and
  concurrence  of  the  district administrative judge or judges, or in the
  counties within the city of New York  the  deputy  chief  administrative
  judge,  shall  determine  that  sufficient  numbers  of potential jurors
  cannot be provided to any term or part of  court  the  commissioner  may
  extend  such period of jury service for such additional period as may be
  necessary.