- Code of Federal Regulations, Title 19 Customs Duties 200-End, 2023
- Code of Federal Regulations, Title 19 Customs Duties 0-140 2023
- Code of Federal Regulations, Title 19 Customs Duties 141-199 2023
- Code of Federal Regulations, Title 18 Conservation of Power and Water Resources 400-End, 2023: Part 1
- Code of Federal Regulations, Title 12 Banks and Banking 1-199, Revised as of January 1, 2021