CFR›Title 28›Chapter I›Part 63 ContainsSections 63.1–63.9CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 63—FLOODPLAIN MANAGEMENT AND WETLAND PROTECTION PROCEDURES Sections 63.1 § 63.1 Purpose. 63.2 § 63.2 Policy. 63.3 § 63.3 References. 63.4 § 63.4 Definitions. 63.5 § 63.5 Responsibilities. 63.6 § 63.6 Procedures. 63.7 § 63.7 Determination of location. 63.8 § 63.8 Implementation. 63.9 § 63.9 Exception. Authority5 U.S.C. 301, Executive Order No. 11988 of May 24, 1977, and Executive Order No. 11990 of May 24, 1977.SourceOrder No. 902-80, 45 FR 50565, July 30, 1980, unless otherwise noted. Previous 61 Part 61—Procedures for Implementing the National Environmental Policy Act Next 64 Part 64—Designation of Officers and Employees of the United States for Coverage Under Section 1114 of Title 18 of the U.S. Code