CFR › Title 22 › Part 161Part 161 — Regulations for Implementation of the National Environmental Policy Act (NEPA)Subpart A — General§ 161.1— Purpose and scope.§ 161.2— Policy.§ 161.3— Applicability.§ 161.4— Definitions.Subpart B — NEPA and Departmental Decisionmaking§ 161.5— Major decision points and timing.§ 161.6— Responsibilities of departmental officials.§ 161.7— Categories of actions.Subpart C — Environmental Review Procedures§ 161.8— General description of the Department's NEPA process.§ 161.9— Specific steps in the Department's NEPA process.Subpart D — Coordination of Other Requirements of NEPA§ 161.11— Environmental review and consultation requirements.§ 161.12— Environmental effects abroad of major departmental actions.