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# Comments Sought on 21 Substances for Drug Scheduling
- URL: https://www.fdaweb.com/comments-sought-on-21-substances-for-drug-scheduling/
- Published: 2019-09-11T12:00:00.000Z
- Updated: 2026-09-15T01:49:16.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5144978

*Federal Register* notice: FDA is requesting comments on 21 drug substances concerning abuse potential, actual abuse, medical usefulness, trafficking, and impact of scheduling changes on availability for medical use. The comments will be considered in preparing a response from the U.S. to the World Health Organization to use in considering whether to recommend that certain international restrictions be placed on the drugs. This notice requesting comments is required by the Controlled Substances Act. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2019-09-10/pdf/2019-19492.pdf?ref=fdaweb.com).