Home › CFR › Title 47 › Part 21347 CFR Part 213 — Government and Public Correspondence Telecommunications Precedence System§ 213.0— Authority.§ 213.1— Background and purpose.§ 213.2— Scope.§ 213.3— Cancellation.§ 213.4— Definitions.§ 213.5— Precedence designators.§ 213.6— Criteria.§ 213.7— Policies.§ 213.8— Implementation.