Stage 4 Notices

Please see recent Pharmacopeial Discussion Group Working Procedures Changes here effective April 1, 2018.

USP versions of Stage 4 Harmonization includes monographs or general chapters that have completed stages 1-5 of the five-stage PDG pharmacopeial harmonization process resulting in an approved USP–NF text. Stage 4 adopted text is published here so that USP–NF users may become aware of its availability as a pharmacopeial standard and its targeted official date. See chart below for specific posting and official dates.

Month Posting Date on USP-NF.com Official Date
November 2022 November 18, 2022 December 1, 2023
February 2023 February 24, 2023 December 1, 2023
April 2023 April 28, 2023 May 1, 2024
September 2023 September 29, 2023 August 1, 2024
November 2023 November 17, 2023 December 1, 2024
February 2024 February 23, 2024 December 1, 2024
April 2024 April 26, 2024 May 1, 2025
September 2024 September 27, 2024 August 1, 2025
November 2024 November 22, 2024 December 1, 2025
February 2025 February 28, 2025 December 1, 2025
April 2025 April 25, 2025 May 1, 2026
September 2025 September 26, 2025 August 1, 2026
November 2025 November 21, 2025 December 1, 2026