NYSentencing

§ 263.20  Sexual performance by a child; affirmative defenses.
  1. Under this article, it shall be an  affirmative  defense  that  the
defendant  in good faith reasonably believed the person appearing in the
performance was, for purposes of section 263.11 or 263.16 of this  arti-
cle,  sixteen  years  of age or over or, for purposes of section 263.05,
263.10 or 263.15 of this article, seventeen years of age or over.
  2.  In any prosecution for any offense pursuant to this article, it is an
affirmative defense that the person so charged was a librarian  engaged  in
the  normal course of his employment, a motion picture projectionist, stage
employee or  spotlight  operator,  cashier,  doorman,  usher,  candy  stand
attendant,  porter  or  in  any  other  non-managerial  or  non-supervisory
capacity in  a  motion  picture  theatre;  provided  he  has  no  financial
interest,  other  than  his employment, which employment does not encompass
compensation based upon any  proportion  of  the  gross  receipts,  in  the
promotion  of a sexual performance for sale, rental or exhibition or in the
promotion, presentation or direction of any sexual performance,  or  is  in
any  way  responsible  for  acquiring  such  material  for  sale, rental or
exhibition.