Interim Revision Announcements (IRAs)

IRAs are published in Pharmacopeial Forum (PF) as proposed IRAs. After a 90-day notice and comment period and approval by the relevant USP Expert Committee, IRAs are published as official text in the USP–NF Online. The PF posting dates, comment deadlines and IRA posting, and official dates can be found here. 

Monograph names listed prior to April 1, 2021 link to the combined IRA posting in which the announcement appeared. Titles posted after April 1, 2021 link to the published standard in USP–NF Online.

Archived Interim Revision Announcements can be found here.

New IRAs

All Posted IRAs

To view Accelerated Revisions by official date, please click here.