SECTION	Title	Time
Appendix A	Appendix A to Part 158 - Assurances	June 17, 2021
Appendix A	Appendix A to Part 158—Assurances	Aug. 25, 2023
§ 158.1	§ 158.1 Applicability.	May 8, 2026
§ 158.3	§ 158.3 Definitions.	May 8, 2026
§ 158.5	§ 158.5 Authority to impose PFC's.	May 8, 2026
§ 158.7	§ 158.7 Exclusivity of authority.	May 8, 2026
§ 158.9	§ 158.9 Limitations.	May 8, 2026
§ 158.11	§ 158.11 Public agency request not to require collection of PFC's by a class of air carriers or foreign air carriers or for service to isolated communities.	May 8, 2026
§ 158.13	§ 158.13 Use of PFC revenue.	May 8, 2026
§ 158.15	§ 158.15 Project eligibility at PFC levels of $1, $2, or $3.	May 8, 2026
§ 158.17	§ 158.17 Project eligibility at PFC levels of $4 or $4.50.	May 8, 2026
§ 158.18	§ 158.18 Use of PFC revenue to pay for debt service for non-eligible projects.	May 8, 2026
§ 158.19	§ 158.19 Requirement for competition plans.	May 8, 2026
§ 158.20	§ 158.20 Submission of required documents.	May 8, 2026
§ 158.21	§ 158.21 General.	May 8, 2026