Code of Federal Regulations > Title 40 > Chapter I > Part 123 - PART 123—STATE PROGRAM REQUIREMENTS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Mar 31, 2023

Subpart A [§ 123.1 - § 123.3] - Subpart A—General

Subpart B [§ 123.21 - § 123.36] - Subpart B—State Program Submissions

Subpart C [§ 123.41 - § 123.46] - Subpart C—Transfer of Information and Permit Review

Subpart D [§ 123.61 - § 123.64] - Subpart D—Program Approval, Revision, and Withdrawal