R.I. Gen. Laws § 21-28-2.07: Schedule V tests.

The director of health shall place a substance in schedule V if he or she finds that:

(1) The substance has low potential for abuse relative to the controlled substances in schedule IV;

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

(3) The substance has limited physical dependence or psychological dependence liability relative to the controlled substances listed in schedule IV.