(a) [(1)] The commission shall place a substance in Schedule IV upon finding that:

(1) [(a)] the substance has a low potential for abuse relative to substances in Schedule III;

(2) [(b)] the substance has currently accepted medical use in treatment in the United States; and

(3) [(c)] abuse of the substance may lead to limited physical dependence or psychological dependence relative to the substances included in Schedule III.

(b) [(2)] The commission may place a substance in Schedule IV without making the findings required by subsection (a) [(1)] of this section if the substance is controlled under Schedule IV of the federal Controlled Substances Act by a federal agency as the result of an international treaty, convention, or protocol.