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
February 2021 February 26, 2021 May 1, 2022
April 2021 April 30, 2021 May 1, 2022
September 2021 September 24, 2021 August 1, 2022
November 2021 November 19, 2021 December 1, 2022
February 2022 February 25, 2022 May 1, 2023
April 2022 April 29, 2022 May 1, 2023
September 2022 September 30, 2022 August 1, 2023
November 2022 November 18, 2022 December 1, 2023
February 2023 February 24, 2022 May 1, 2023
April 2023 April 28, 2022 May 1, 2023
September 2023 September 29, 2022 August 1, 2023
November 2023 November 17, 2022 December 1, 2023