These criteria are not binding; they were created by DEA and may be altered at any time. Judicial deference to agency decisions is what has kept them in effect, despite the difference between these and the statutory criteria. Cannabis is one of several plants with unproven abuse potential and toxicity that Congress placed in Schedule I. The DEA interprets the Controlled Substances Act to mean that if a drug with even a low potential for abuse — say, equivalent to a Schedule V drug — has no accepted medical use, then it must remain in Schedule I: