Ind. Code § 35-48-2-9
(a) The board shall recommend placement of a substance in schedule IV under this chapter if it finds that:
(b) The board may recommend placement of a substance in schedule IV under this chapter if it finds that the substance is classified as a controlled substance in schedule IV under federal law.
As added by Acts 1976, P.L.148, SEC.7. Amended by P.L.200-1987, SEC.11.