25-27 April 2023
The USP General Chapters–Packaging and Distribution Expert Committee revised the general chapter <661.1> Plastic Materials of Construction. The chapter will become official on 1 December 2025 together with the corresponding chapter <661.2> Plastic Packaging Systems for Pharmaceutical Use (see also USP clarifies Requirements for Plastic Packaging Systems).
According to the announcement comments were received indicating that a revision to the following sections was needed:
More information is available in the Revision Bulletin on general chapter <661.1> Plastic Materials of Construction (Revision Bulletins are immediately incorporated into the USP-NF with the official date indicated).