Ind. Code § 5-26.5-1-8
For purposes of IC 5-26.5-2-2 , "sexual assault" means conduct that constitutes:
(2) a misdemeanor or felony under the laws of:
(C) an Indian tribe;
that is substantially similar to an offense described in subdivision (1); or
(3) an attempt to engage in conduct described in subdivision (1) or (2);
regardless of whether the conduct results in criminal prosecution or whether the person who engages in the conduct is an adult.
As added by P.L.133-2002, SEC.9. Amended by P.L.1-2003, SEC.20.