U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 15Part 4Subpart A - Subpart A—Freedom of Information Act
§ 4.1 - General provisions.
§ 4.2 - Public reading rooms.
§ 4.3 - Records under the FOIA.
§ 4.4 - Requirements for making requests.
§ 4.5 - Responsibility for responding to requests.
§ 4.6 - Time limits and expedited processing.
§ 4.7 - Responses to requests.
§ 4.8 - Classified information.
§ 4.9 - Confidential commercial information.
§ 4.10 - Appeals from initial determinations or untimely delays.
§ 4.11 - Fees.
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