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Monographs Affected by Revision to <291> Selenium

Type of Posting: Notice of Intent to Revise
Posting Date: 29–April–2022
Targeted Official Date: 01–June–2023
Expert Committee: Various

In accordance with the 2020–2025 Rules and Procedures of the Council of Experts, this is to provide notice that USP and its Expert Committees, as applicable, intend to revise multiple monographs in response to a revision of General Chapter <291> Selenium.

General Chapter <291> was proposed for comment in PF 47(1) and will be official on June 1, 2023. USP has identified other documentary standards referencing General Chapter <291> impacted by the revisions in PF 47(1). These references will be updated beginning on June 1, 2022 and continue through November 1, 2022 and will become official June 1, 2023. A list of the monographs that will be modified can be found here. Specific target publications are subject to change. 

Interested stakeholders are encouraged to alert USP staff to any impact they may recognize related to the update of those monographs.

Should you have any questions or comments, please contact Kahkashan Zaidi, Principal Scientific Liaison (kxz@usp.org), or the affected monograph’s liaisons.


This Notice was updated on May 2, 2022 to correct formatting and a broken link. No change has been made to the text.