§ 130.75 Course of sexual conduct against a child in the first degree.
  1.  A  person  is  guilty of course of sexual conduct against a
child in the first degree when, over a period  of  time  not  less  than
three months in duration:

  (a) he or she engages in two or more acts  of  sexual  conduct,  which
includes  at least one act of sexual intercourse, 
oral sexual conduct, anal sexual conduct  or  aggravated  sexual
contact, with a child less than eleven years old; or
(As amended by L.2003, c.264, effective 11/1/03.)

  (b)  he  or  she,  being eighteen years old or more, engages in two or
more acts of sexual conduct, which include at least  one  act
of sexual intercourse,  oral sexual conduct,
anal sexual conduct or aggravated sexual contact, with a child less than
thirteen years old.
(As amended by L.2003, c.264, effective 11/1/03.)

  2. A person may not be subsequently  prosecuted  for  any  other
sexual  offense  involving  the  same  victim  unless  the other charged
offense occurred outside the time period charged under this section.
  Course of sexual conduct against a child in  the  first  degree  is  a
class B felony.