Defining Durations of Use for Approved Medically Important Antimicrobial Drugs Fed to Food-Producing Animals; Draft Guidance for Industry; Extension of the Comment Period

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The Food and Drug Administration (FDA or the Agency) is extending the comment period for the notice of availability that published in the Federal Register of September 26, 2023. In that notice, FDA requested comments on the draft guidance for industry (GFI) #273 entitled "Defining Durations of Use for Approved Medically Important Antimicrobial Drugs Fed to Food-Producing Animals." The Agency is taking this action in response to requests for an extension to allow interested persons additional time to develop and submit comments.