BRIEFING

 Gramicidin. This proposal is based on the version of the monograph official as of December 1, 2023. The revisions on the preparation of the Standard solution, Sensitivity solution, and Sample solution in the Organic Impurities test are proposed for clarity.

 Additionally, minor editorial changes have been made to update the monograph to current USP style.

 (BIO4: J. Zhang)

 Correspondence Number—C327373