Federal Register Proposed rule: FDA is extending to 2/5/10, the comment period for the 9/23 proposed rule that requested comments on current good manufacturing practice (CGMP) requirements applicable to combination products. The agency is taking this action in response to requests for an extension to allow interested persons additional time to submit comments. DATES: The comment period for the proposed rule publishied September 23, 2009 (74 FR 48423), is extended. Submit electronic or written comments by February 5, 2010. To view this proposed rule, click here.