Accelerated Revisions by Official Date

Revision Bulletins are posted by the first of each month. Each Revision Bulletin includes the reason for the change and the complete Monograph or General Chapter Revision Bulletins are transferred to the Accelerated Revision History section when the standard is published and becomes official in the next USP–NF publication. For more information on the Revision Bulletins and the Accelerated Revision process, see USP's Guideline on the Use of Accelerated Processes for Revisions to USP–NF. See here for specific posting and official dates.

To view Revision Bulletins in alphabetical order please click here.

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 posted in USP-NF Online and moved to the Accelerated Revision History page approximately one year after becoming official.. The PF posting dates, comment deadlines and IRA posting and official dates are outlined here.

To view Interim Revision Announcements in alphabetical order, please click here.

Official May 2026

  • <665> Plastic Components and Systems Used to Manufacture Pharmaceutical Drug Products and Biopharmaceutical Drug Substances and Products Notice and Chapter (RB posted 29-Apr-2022; official 01-May-2026)

Official December 2025

  • <661.1> Plastic Materials of Construction Notice and Chapter (RB posted 23-Feb-2024, official 01-Dec-2025)
  • <661.1> Plastic Materials of Construction Notice and Chapter (RB posted 27-Jan-2023; official 01-Dec-2025)
    • Please note: This revision never became official and was superseded by the Revision Bulletin posted on February 23, 2024
  • <661.2> Plastic Packaging Systems for Pharmaceutical Use (IRA posted 25-Aug-2023; official 01-Dec-2025)

Official May 2025

  • <621> Chromatography Notice and Chapter (RB posted 29-Sep-2023; official 01-May-2025)
  • Albuterol Inhalation Solution Notice and Monograph (RB posted 27-Oct-2023; official 01-May-2025)

Official September 2024

  • Clonidine Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 30-Aug-2024; official 01-Sep-2024)
  • Gadopentatate Dimeglumine Injection (posted 26-Jun-2024; official 01-Sep-2024
  • Metoprolol Succinate Extended-Release Tablets Notice and Monograph (RB posted 30-Aug-2024; official 01-Sep-2024)
  • Naproxen Sodium and Pseudoephedrine Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 30-Aug-2024; official 01-Sep-2024)
  • Nifedipine Extended-Release Tablets Notice and Monograph (RB posted 30-Aug-2024; official 01-Sep-2024)

Official August 2024

  • Clonidine Transdermal System (IRA posted 28-Jun-2024; official 01-Aug-2024)
  • Pemetrexed Disodium Notice and Monograph (RB posted 06-Aug-2024; official 07-Aug-2024)
  • Ketamine Hydrochloride Notice and Monograph (RB posted 26-Jul-2024; official 01-Aug-2024)
  • Levocarnitine Tablets Notice and Monograph (RB posted 26-Jul-2024; official 01-Aug-2024)
  • Norgestimate (IRA posted 28-Jun-2024; official 01-Aug-2024)
  • Potassium Citrate Extended-Release Tablets Notice and Monograph (RB posted 26-Jul-2024; official 01-Aug-2024)

Official July 2024

  • Acetazolamide Extended-Release Capsules Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)
  • Carbamazepine Extended-Release Tablets Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)
  • Cetyl Palmitate Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)
  • Clomipramine Hydrochloride Capsules Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)
  • Lamotrigine Extended-Release Tablets Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)
  • Mesalamine Extended-Release Capsules Notice and Monograph (RB posted 28-Jun-2024; official 01-Jul-2024)

Official June 2024

  • Acyclovir (IRA posted 26-Apr-2024; official 01-Jun-2024)
  • Lithium Oral Solution Notice and Monograph (posted 18-Jun-2024; official 19-Jun-2024)
  • Oxcarbazepine Oral Suspension Notice and Monograph (posted 04-Jun-2024; official 05-Jun-2024)
  • Succinic Acid Notice and Monograph (RB posted 31-May-2024; official 01-Jun-2024)
  • Zinc Acetate (IRA posted 26-Apr-2024; official 01-Jun-2024)
  • Zinc Chloride (IRA posted 26-Apr-2024; official 01-Jun-2024)
  • Zinc Sulfate (IRA posted 26-Apr-2024; official 01-Jun-2024)

Official May 2024

  • Azithromycin for Oral Suspension Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)
  • Dutasteride and Tamsulosin Hydrochloride Capsules Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)
  • Fexofenadine Hydrochloride Tablets Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)
  • Isosorbide Mononitrate Extended-Release Tablets Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)
  • Minocycline Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)
  • Risedronate Sodium Delayed-Release Capsules Notice and Monograph (RB posted 26-Apr-2024, official 01-May-2024)

Official April 2024

  • Diltiazem Hydrochloride Extended-Release Capsules Notice and Monograph (RB posted 29-Mar-2024, official 01-Apr-2024)
  • Hydroxyzine Hydrochloride Tablets Notice and Monograph (RB posted 29-Mar-2024, official 01-Apr-2024)
  • Teriparatide Notice and Monograph (RB posted 29-Mar-2024, official 01-Apr-2024)
  • Sitagliptin Tablets (IRA posted 23-Feb-2024, official 01-Apr-2024)

Official March 2024

Official February 2024

  • Acetazolamide Tablets Notice and Monograph (RB posted 26-Jan-2024; official 01-Feb-2024)
  • Carbamazepine Extended-Release Tablets Notice and Monograph (RB posted 31-Jan-2024, official 01-Feb-2024)
  • Guanfacine Tablets Notice and Monograph (RB posted 26-Jan-2024; official 01-Feb-2024)
  • Metformin Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 26-Jan-2024; official 01-Feb-2024)

Official January 2024

  • <825> Radiopharmaceuticals- Preparation, Compounding, Dispensing, and Repackaging Notice and Chapter (RB posted 29-Dec-2023; official 01-Jan-2024)
  • Propranolol Hydrochloride Extended-Release Capsules Notice and Monograph (RB posted 29-Dec-2023; official 01-Jan-2024)
  • Quetiapine Extended-Release Tablets Notice and Monograph (posted 29-Dec-2023; official 01-Jan-2024)
  • Rifabutin Capsules Notice and Monograph (RB posted 29-Dec-2023; official 01-Jan-2024)

Official December 2023

  • <621> Chromatography Notice and Chapter (RB posted 28-Oct-2022; official 01-Dec-2023)
    • Please note: This revision never became official and was superseded by the Revision Bulletin becoming official on October 1, 2023)
  • Acetaminophen Extended-Release Tablets Notice and Monograph (RB posted 17-Nov-2023; official 01-Dec-2023)
  • Acetazolamide Extended-Release Capsules Notice and Monograph (RB posted 17-Nov-2023; official 01-Dec-2023)
  • Ampicillin Capsules Notice and Monograph (posted 21-Dec-2023; official 22-Dec-2023)
  • Clarithromycin Extended-Release Tablets Notice and Monograph (RB posted 17-Nov-2023; official 01-Dec-2023)
  • Enoxaparin Sodium (IRA posted 18-Nov-2022; official 01-Dec-2023)
  • Hydroxychloroquine Sulfate Tablets Notice and Monograph (RB posted 17-Nov-2023; official 01-Dec-2023)
  • Mesalamine Extended-Release Capsules Notice and Monograph (RB posted 17-Nov-2023; official 01-Dec-2023)
  • Midodrine Hydrochloride Tablets Notice and Monograph (RB posted 02-Nov-2023; official 01-Dec-2023)
  • Teriparatide Notice and Monograph (RB posted 11-Dec-2023; official 12-Dec-2023)
  • Teriparatide Injection Notice and Monograph (RB posted 11-Dec-2023; official 12-Dec-2023)

Official November 2023

Official October 2023

  • <621> Chromatography Notice and Chapter (RB posted 29-Sep-2023; official 01-Oct-2023)
  • <660> Containers- Glass (IRA posted 25-Aug-2023; official 01-Oct-2023)
  • Carbamazepine Extended-Release Tablets Notice and Monograph (RB posted 29-Sep-2023; official 01-Oct-2023)
  • Carbidopa and Levodopa Tablets Notice and Monograph (RB posted 29-Sep-2023; official 01-Oct-2023)
  • Iron Dextran Injection Notice and Monograph (RB posted 04-Oct-2023; official 05-Oct-2023)

Official September 2023

  • <7> Labeling (IRA posted 31–Jul–2020; official 01–Sep–2023)
  • Atorvastatin Calcium Tablets Notice and Monograph (RB posted 25-Aug-2023; official 01-Sep-2023)
  • Bicalutamide Tablets (RB posted 28-Jul-2023; official 01-Sep-2023)
  • Calcium Acetate Capsules Notice and Monograph (RB posted 25-Aug-2023; official 01-Sep-2023)
  • Fosamprenavir Calcium Tablets Notice and Monograph (RB posted 25-Aug-2023; official 01-Sep-2023)
  • Minocycline Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 25-Aug-2023; official 01-Sep-2023)

Official August 2023

  • Bupropion Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 28-Jul-2023; official 01- Aug-2023)
  • Famotidine Tablets Notice and Monograph (RB posted 28-Jul-2023; official 01-Aug-2023)
  • Ipratropium Bromide Notice and Monograph (RB posted 28-Jul-2023; official 01-Aug-2023)
  • Mitotane Notice and Monograph (RB posted 28-Jul-2023; official 01-Aug-2023)
  • Mitotane Tablets Notice and Monograph (RB posted 28-Jul-2023; official 01-Aug-2023)
  • Nitrofurantoin Capsules Notice and Monograph (RB posted 28-Apr-2023; official 01-Aug-2023)
  • Penicillamine Capsules Notice and Monograph (posted 28-Jul-2023; official 01-Aug-2023)
  • Olmesartan Medoxomil Tablets Notice and Monograph (RB posted 16-Aug-2023; official 17-Aug-2023)
  • Quetiapine Extended-Release Tablets Notice and Monograph (RB posted 16-Aug-2023; official 17-Aug-2023)
  • Trenbolone Acetate Notice and Monograph (RB posted 30-Jun-2023; official 01-Aug-2023)

Official July 2023

  • Atorvastatin Calcium Tablets Notice and Monograph (posted 12-Jul-2023; official 13-Jul-2023)
  • Bacillus coagulans Notice and Monograph (RB posted 30-Jun-2023; official 01-Jul-2023)
  • Chlorzoxazone Tablets Notice and Monograph (RB posted 30-Jun-2023; official 01-Jul-2023)
  • Diclofenac Sodium and Misoprostol Delayed-Release Tablets Notice and Monograph (posted 12-Jul-2023; official 13-Jul-2023)
  • Olanzapine Tablets Notice and Monograph (RB posted 30-Jun-2023; official 01-Jul-2023)
  • Ziprasidone Hydrochloride (IRA posted 26-May-2023; official 01-Jul-2023)

Official June 2023

  • Isosorbide Dinitrate  Tablets Notice and Monograph (RB posted 26-May-2023; official 01-Jun-2023)
  • Sodium Bicarbonate Notice and Monograph (RB posted 26-May-2023; official 01-Jun-2023)
  • Sorafenib Tablets Notice and Monograph (RB posted 26-May-2023; official 01-Jun-2023)
  • Sucrose Notice and Monograph (RB posted 26-May-2023; official 01-Jun-2023)

Official May 2023

  • <711> Dissolution (IRA posted 31-Mar-2023; official 01-May-2023)
  • Acyclovir Notice and Monograph (RB posted 29-Apr-2022; official 01-May-2023)
  • Diltiazem Hydrochloride Extended-Release Capsules Notice and Monograph (posted 28-Apr-2023; official 01-May-2023)
  • Magnesium Sulfate Notice and Monograph (RB posted 25–Feb–2022; official 01–May–2023)
  • Phenelzine Sulfate (IRA posted 31-Mar-2023; official 01-May-2023)
  • Urea C-13 (IRA posted 31-Mar-2023; official 01-May-2023)
  • Vigabatrin Tablets Notice and Monograph (RB posted 28-Apr-2023; official 01-May-2023)

Official April 2023

  • <621> Chromatography Notice and Chapter (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Anticoagulant Citrate Phosphate Dextrose Adenine Solution Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Anticoagulant Heparin Solution Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Antithrombin III Human Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Caffeine Citrate Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Carbamazepine Extended-Release Tablets Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Colchicine Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Estradiol and Norethindrone Acetate Tablets Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Etoposide Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Fluphenazine Decanoate Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Fondaparinux Sodium Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Furosemide Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Iodixanol Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Iohexol Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Iron Sucrose Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Ranitidine Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Sodium Thiosulfate Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Tylosin Injection Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)
  • Vigabatrin Tablets Notice and Monograph (RB posted 31-Mar-2023; official 01-Apr-2023)

Official March 2023

Official February 2023

  • Fosamprenavir Calcium Notice and Monograph (RB posted 27-Jan-2023; official 01-Feb-2023)
  • Minocycline Hydrochloride Extended-Release Tablets Notice and Monograph (RB posted 16-Feb-2023; official 17-Feb-2023)

Official January 2023

  • Acetaminophen (IRA posted 18-Nov-2022; official 01-Jan-2023)
  • Amantadine Hydrochloride Tablets Notice and Monograph (RB posted 16-Dec-2022; official 01-Jan-2023)
  • Ammonium Sulfate (IRA posted 18-Nov-2022; official 01-Jan-2023)
  • Maltose Notice and Monograph (RB posted 16-Dec-2022; official 01-Jan-2023)
  • Mesalamine Extended-Release Capsules Notice and Monograph (RB posted 16-Dec-2022; official 01-Jan-2023)
  • Nitrofurantoin Capsules Notice and Monograph (RB posted 16-Dec-2022; official 01-Jan-2023)

Revisions Official in 2022

Revisions Official in 2021

Revisions Official in 2020

Revisions Official in 2019

Revisions Official in 2018