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Title 21

Displaying title 21, up to date as of 7/20/2026. Title 21 was last amended 7/20/2026.
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Title 21Food and DrugsPart / Section
Chapter IFood and Drug Administration, Department of Health and Human Services1 – 1299
Subchapter DDrugs for Human Use300 – 499
Part 314Applications for FDA Approval to Market a New Drug314.1 – 314.650
Subpart DFDA Action on Applications and Abbreviated Applications314.100 – 314.170
§ 314.100Timeframes for reviewing applications and abbreviated applications.
§ 314.101Filing an NDA and receiving an ANDA.
§ 314.102Communications between FDA and applicants.
§ 314.103Dispute resolution.
§ 314.104Drugs with potential for abuse.
§ 314.105Approval of an NDA and an ANDA.
§ 314.106Foreign data.
§ 314.107Date of approval of a 505(b)(2) application or ANDA.
§ 314.108New drug product exclusivity.
§ 314.110Complete response letter to the applicant.
§ 314.120 [Reserved]
§ 314.122Submitting an abbreviated application for, or a 505(j)(2)(C) petition that relies on, a listed drug that is no longer marketed.
§ 314.125Refusal to approve an NDA.
§ 314.126Adequate and well-controlled studies.
§ 314.127Refusal to approve an ANDA.
§ 314.150Withdrawal of approval of an application or abbreviated application.
§ 314.151Withdrawal of approval of an abbreviated new drug application under section 505(j)(5) of the act.
§ 314.152Notice of withdrawal of approval of an application or abbreviated application for a new drug.
§ 314.153Suspension of approval of an abbreviated new drug application.
§ 314.160Approval of an application or abbreviated application for which approval was previously refused, suspended, or withdrawn.
§ 314.161Determination of reasons for voluntary withdrawal of a listed drug.
§ 314.162Removal of a drug product from the list.
§ 314.170Adulteration and misbranding of an approved drug.