This database provides information on standards that have been incorporated by reference into the US Code of Federal Regulations (CFR). To obtain copies of the standards referenced, information should be provided in the referenced CFR section about how to obtain a copy. Alternatively, individuals can check with the standards publisher, a standards resellers or for a limited number of standards used in regulations, consult the American National Standards Institute (ANSI) Incorporated by Reference (IBR) Portal. This portal provides a mechanism for limited and free access to some of the standards that have been incorporated by reference in the U.S. Code of Federal Regulations (CFR).
Incorporated by (Agency) | FR Citation | CFR Citation | Document Number | Document Edition / Year | Title of Standard | Standard Publishing Organization Sort descending |
---|---|---|---|---|---|---|
Research and Special Programs Administration | 49 CFR 172.102(c)(1) 147 | UN Publication | 2003 | UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria | United Nations | |
Pipeline and Hazardous Materials Safety Administration | 49 CFR 178.75(i)(4) | UN Publication | 2005 | UN Recommendations on the Transport of Dangerous Goods | United Nations | |
Pipeline and Hazardous Materials Safety Administration | 49 CFR 178.274(d)(3) | UN Publication | 2005 | UN Recommendations on the Transport of Dangerous Goods | United Nations | |
Pipeline and Hazardous Materials Safety Administration | 49 CFR 173.22(a)(2)(iii) | UN Publication | 2005 | UN Recommendations on the Transport of Dangerous Goods | United Nations | |
Transportation Department | 85 FR 75680 | 49 CFR 180 | ADR-2017e | 2017 | Hazardous Materials: Adoption of Miscellaneous Petitions To Reduce Regulatory Burdens | United Nations |
Transportation Department | 85 FR 27810 | 49 CFR 173 | GHS (Rev.7) (2017) | 2017 | Hazardous Materials: Harmonization With International Standards | United Nations |
Pipeline and Hazardous Materials Safety Administration | 49 CFR 173.137(c)(2) | UN Publication | 2003 | UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria | United Nations | |
Transportation Department | 89 FR 15636 | 49 CFR 178 | UN/SCETDG/55/INF.27 | 2019 | Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements | United Nations |
National Highway Traffic Safety Administration | 49 CFR 571.108 S12.6 | UNECE Regulation 48 | 1996 | Uniform Provisions Concerning the Approval of Vehicles with Regard to the Installation of Lighting and Light-Signaling Devices | United Nations Economic Commission for Europe | |
Environmental Protection Agency | 89 FR 27842 | 40 CFR 86 | UN ECE/TRANS/180/Add.22 (GTR No. 22) | 2022 | Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles | United Nations Economic Commission for Europe |
National Highway Traffic Safety Administration | 49 CFR 571.5(m)(1) | UNECE Regulation 17 | 2002 | Uniform Provisions Concerning the Approval of Vehicles with Regard to the Seats, their Anchorages and Any Head Restraints: ECE 17 Rev. 1/Add. 16/Rev. 4 | United Nations Economic Commission for Europe | |
Environmental Protection Agency | 89 FR 27842 | 40 CFR 600 | UN ECE/TRANS/180/Add.22 (GTR No. 22) | 2022 | Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles | United Nations Economic Commission for Europe |
Environmental Protection Agency | 89 FR 27842 | 40 CFR 85 | UN ECE/TRANS/180/Add.22 (GTR No. 22) | 2022 | Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles | United Nations Economic Commission for Europe |
National Highway Traffic Safety Administration | 49 CFR 571.5(m)(2) | UNECE Regulation 48 | 1996 | Uniform Provisions Concerning the Approval of Vehicles With Regard to the Installation of Lighting and Light-Signaling Devices, E/ECE/324-E/ECE/TRANS/505, Rev.1/Add.47/Rev.1/Corr.2 | United Nations Economic Commission for Europe | |
Environmental Protection Agency | 89 FR 27842 | 40 CFR 1066 | UN ECE/TRANS/180/Add.22 (GTR No. 22) | 2022 | Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles | United Nations Economic Commission for Europe |
Environmental Protection Agency | 89 FR 27842 | 40 CFR 1068 | UN ECE/TRANS/180/Add.22 (GTR No. 22) | 2022 | Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles | United Nations Economic Commission for Europe |
National Highway Traffic Safety Administration | 49 CFR 571.202 S4.4(a) | UNECE Regulation 17 | 2002 | Uniform Provisions Concerning the Approval of Vehicles with Regard to the Seats, their Anchorages and Any Head Restraints: ECE 17 Rev. 1/Add. 16/Rev. 4 | United Nations Economic Commission for Europe | |
Animal and Plant Health Inspection Service | 7 CFR 300.5(a) | UNFAO Publication No. 4 | 1996 | Requirements for the Establishment of Pest Free Areas | United Nations' Food and Agriculture Organization | |
Pipeline and Hazardous Materials Safety Administration | 49 CFR 173.417(a)(3)(i) | USEC-651 | 1999 | Good Handling Practices for Uranium Hexafluoride, Revision 8 | United States Enrichment Corporation | |
Postal Service | 85 FR 83450 | 39 CFR 111 | USPS DMM 2022 | 2022 | New Mailing Standards for Domestic Mailing Services Products | United States Postal Service |
Postal Service | 85 FR 27299 | 39 CFR 111 | USPS DMM 2021: 700: 705: DMU | 2021 | Seamless Changes for Detached Mail Unit (DMU) and Full-Service Mailings | United States Postal Service |
Postal Service | 88 FR 758 | 39 CFR 111 | USPS DMM: 700 | 2023 | Removal of Sacks-USPS Marketing Mail and Periodicals Flats | United States Postal Service |
Postal Service | 85 FR 74608 | 39 CFR 111 | USPS DMM 2021 | 2021 | Domestic Competitive Products Pricing and Mailing Standards Changes | United States Postal Service |
Postal Service | 90 FR 248 | 39 CFR 20 | USPS IMM | 2025 | International Return Receipt | United States Postal Service |
Postal Service | 87 FR 63424 | 39 CFR 20 | USPS IMM ( July 10, 2022) | 2022 | International Mail Manual; Incorporation by Reference | United States Postal Service |
Postal Service | 89 FR 51446 | 39 CFR 20 | USPS IMM | 2024 | Known Mailer and Exceptions | United States Postal Service |
Postal Service | 88 FR 758 | 39 CFR 111 | USPS DMM: 200 | 2023 | Removal of Sacks-USPS Marketing Mail and Periodicals Flats | United States Postal Service |
Postal Service | 86 FR 53220 | 39 CFR 111 | USPS DMM 2022: 600 | 2022 | Treatment of Regulations on Hazardous, Restricted, and Perishable Mail | United States Postal Service |
Postal Service | 88 FR 758 | 39 CFR 111 | USPS DMM 2023: 700 | 2023 | Removal of Sacks-USPS Marketing Mail and Periodicals Flats | United States Postal Service |
Postal Service | 86 FR 58398 | 39 CFR 111 | USPS Pub. 52 | 2021 | Treatment of E-Cigarettes in the Mail | United States Postal Service |
Postal Service | 87 FR 73459 | 39 CFR 111 | USPS Pub. 52, 2022 | 2022 | New Mailing Standards for the Separation of Hazardous Materials | United States Postal Service |
Postal Service | 86 FR 53220 | 39 CFR 113 | USPS DMM 2021: 601.8.0 | 2021 | Treatment of Regulations on Hazardous, Restricted, and Perishable Mail | United States Postal Service |
Postal Service | 85 FR 23745 | 39 CFR 113 | USPS Publication 52, Appendix C, Packaging Instruction 6C | 2020 | New Mailing Standards for COVID-19 Related Category B Infectious Substances | United States Postal Service |
Postal Service | 86 FR 58398 | 39 CFR 211 | USPS Pub. 52 | 2022 | Treatment of E-Cigarettes in the Mail | United States Postal Service |
Postal Service | 84 FR 26345 | 39 CFR 20 | IMM | 2020 | International Mailing Services: Mailing Services Product and Price Changes-CPI | United States Postal Service |
Postal Service | 90 FR 8174 | 39 CFR 111 | USPS Pub 52 | 2025 | New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials | United States Postal Service |
Postal Service | 86 FR 53220 | 39 CFR 211 | USPS Pub. 52 | 2021 | Treatment of Regulations on Hazardous, Restricted, and Perishable Mail | United States Postal Service |
Postal Service | 90 FR 8174 | 39 CFR 211 | USPS Pub 52 | 2025 | New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials | United States Postal Service |
Postal Service | 88 FR 24483 | 39 CFR 111 | USPS Pub 52 | 2023 | Electronic Indicators for the Mailing of Hazardous Materials | United States Postal Service |
Postal Service | 87 FR 30101 | 39 CFR 111 | USPS DMM 2022: 200: Commercial Letters, Cards, Flats, and Parcels | 2022 | Domestic Competitive Products Pricing and Mailing Standards Changes | United States Postal Service |
Postal Service | 88 FR 9398 | 39 CFR 20 | USPS IMM | 2023 | Removal of Priority Mail International Regional Rate Boxes-Non-Published Rates and Priority Mail International Regional Rate Boxes | United States Postal Service |
Postal Service | 85 FR 65225 | 39 CFR 20 | USPS IMM | 2019 | International Competitive Services Product and Price Changes | United States Postal Service |
Postal Service | 88 FR 24912 | 39 CFR 111 | USPS DMM 2023 | 2023 | Hardcopy Postage Statements Discontinued | United States Postal Service |
Postal Service | 87 FR 71520 | 39 CFR 20 | USPS IMM | 2022 | International Competitive Services Product and Price Changes | United States Postal Service |
Postal Service | 87 FR 11587 | 39 CFR 111 | DMM 507 Mailer Services | 2022 | Extended Mail Forwarding Service | United States Postal Service |
Postal Service | 90 FR 8174 | 39 CFR 211 | USPS DMM | 2025 | New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials | United States Postal Service |
Postal Service | 90 FR 22012 | 39 CFR 20 | USPS IMM | 2025 | International Mail Manual; Incorporation by Reference | United States Postal Service |
Postal Service | 89 FR 75973 | 39 CFR 111 | USPS DMM 203.8.1 | 2025 | OEL and Carrier Route Information Lines | United States Postal Service |
Postal Service | 84 FR 18731 | 39 CFR 111 | USPS DMM 2019: 608.10.0 | 2019 | Forms of Identification | United States Postal Service |
Postal Service | 90 FR 8496 | 39 CFR 20 | USPS Notice 123 | 2025 | International Competitive Services and Price Changes | United States Postal Service |