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
- Phenoxybenzamine Hydrochloride (posted 29-Sep-2023; official 01-Nov-2023)
- <660> Containers- Glass (posted 25-Aug-2023; official 01-Oct-2023)
- <661.2> Plastic Packaging Systems for Pharmaceutical Use (posted 25-Aug-2023; official 01-Dec-2025)
- Bicalutamide Tablets (posted 28-Jul-2023; official 01-Sep-2023)
- Ziprasidone Hydrochloride (posted 26-May-2023; official 01-Jul-2023)
All Posted IRAs
To view Accelerated Revisions by official date, please click here.
- <7> Labeling (posted 31–Jul–2020; official 01–Sep–2023)
- <89.2> Collagenase II (posted 29-Jul-2022; official 01-Sep-2022)
- <209> Low Molecular Weight Heparin Molecular Weight Determinations (posted 30-Sep-2022; official 01-Nov-2022)
- <411> Folic Acid Assay (posted 30-Sep-2022; official 01-Nov-2022)
- <660> Containers- Glass (posted 25-Aug-2023; official 01-Oct-2023)
- <661.2> Plastic Packaging Systems for Pharmaceutical Use (posted 25-Aug-2023; official 01-Dec-2025)
- <711> Dissolution (IRA posted 31-Mar-2023; official 01-May-2023)
- Acetaminophen (posted 18-Nov-2022; official 01-Jan-2023)
- Ammonium Sulfate (posted 18-Nov-2022; official 01-Jan-2023)
- Bicalutamide Tablets (posted 28-Jul-2023; official 01-Sep-2023)
- Enoxaparin Sodium (posted 18-Nov-2022; official 01-Dec-2023)
- Folic Acid Tablets (posted 30-Sep-2022; official 01-Nov-2022)
- Fluticasone Propionate Inhalation Aerosol (posted 29-Jul-2022; official 01-Sep-2022)
- Fluticasone Propionate Inhalation Powder (posted 29-Jul-2022; official 01-Sep-2022)
- Fluticasone Propionate and Salmeterol Inhalation Powder (posted 29-Jul-2022; official 01-Sep-2022)
- Isotretinoin Capsules (posted 27-Jan-2023; official 01-Mar-2023)
- Levalbuterol Hydrochloride (posted 30-Sep-2022; official 01-Nov-2022)
- Levalbuterol Inhalation Solution (posted 30-Sep-2022; official 01-Nov-2022)
- Mesalamine Delayed-Release Tablets (posted 29-Jul-2022; official 01-Sep-2022)
- Methotrexate (posted 28–Jan–2022; official 01–Mar–2022)
- Orlistat (posted 19–Nov–2021; official 01–Jan–2022)
- Orlistat Capsules (posted 19–Nov–2021; official 01–Jan–2022)
- Palmeterol Inhalation Powder (posted 29-Jul-2022; official 01-Sep-2022)
- Phenelzine Sulfate (IRA posted 31-Mar-2023; official 01-May-2023)
- Phenoxybenzamine Hydrochloride (posted 29-Sep-2023; official 01-Nov-2023)
- Urea C-13 (IRA posted 31-Mar-2023; official 01-May-2023)
- Ziprasidone Hydrochloride (posted 26-May-2023; official 01-Jul-2023)