(a) The commission shall place a substance in Schedule I upon finding that the substance:
(1) has high potential for abuse;
(2) has no currently accepted medical use in treatment in the United States; and
(3) lacks accepted safety for use in treatment under medical supervision.
(b) The commission may place a substance in Schedule I without making the findings required by subsection (a) of this section if the substance is controlled under Schedule I of the federal Controlled Substances Act by a federal agency as the result of an international treaty, convention, or protocol.