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 ascending |
---|---|---|---|---|---|---|
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 | 89 FR 31639 | 39 CFR 111 | USPS DMM 2024 | 2024 | Electronic Verification System Migrated to USPS Ship | 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 14338 | 39 CFR 111 | USPS DMM | 2025 | Priority Mail Express Service Standard | 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 | 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 | 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 | 85 FR 65225 | 39 CFR 20 | USPS IMM | 2019 | International Competitive Services Product and Price Changes | 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 | 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 | 87 FR 11587 | 39 CFR 111 | DMM 507 Mailer Services | 2022 | Extended Mail Forwarding Service | 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 | 84 FR 18731 | 39 CFR 111 | USPS DMM 2019: 608.10.0 | 2019 | Forms of Identification | 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 | 90 FR 8174 | 39 CFR 111 | USPS DMM | 2025 | New Mailing Standards for Hazardous Materials Outer Packaging and Nonregulated Toxic Materials | United States Postal Service |
Postal Service | 87 FR 32086 | 39 CFR 111 | USPS DMM | 2021 | Nonsubscriber Cap for In-County Periodicals | United States Postal Service |
Postal Service | 84 FR 55504 | 39 CFR 111 | USPS DMM 2020 | 2020 | Domestic Competitive Products Pricing and Mailing Standards Changes | United States Postal Service |
Postal Service | 86 FR 53220 | 39 CFR 113 | U.S. Postal Service Publication 52 | 2022 | Treatment of Regulations on Hazardous, Restricted, and Perishable Mail | 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 | 89 FR 107003 | 39 CFR 111 | USPS DMM | 2025 | Labeling List Updates | 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 | 88 FR 24483 | 39 CFR 111 | USPS DMM 2023: 601.8.1 | 2023 | Electronic Indicators for the Mailing of Hazardous Materials | 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 |
Postal Service | 90 FR 248 | 39 CFR 20 | USPS IMM | 2025 | International Return Receipt | United States Postal Service |
Postal Service | 88 FR 4728 | 39 CFR 111 | USPS DMM 2023: 604.9.0 | 2023 | Post Office Box Fee Refund | United States Postal Service |
Postal Service | 86 FR 64376 | 39 CFR 111 | USPS DMM 2019 | 2019 | Domestic Competitive Products Pricing and Mailing Standards Changes | United States Postal Service |
Postal Service | 88 FR 7875 | 39 CFR 111 | USPS DMM 2023: 507.4.2.6 | 2023 | Address Correction Notices | United States Postal Service |
Postal Service | 88 FR 21478 | 39 CFR 111 | USPS DMM 507.1.1b | 2023 | Counterfeit Postage | 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 | 87 FR 11587 | 39 CFR 111 | USPS DMM 2022: 500 Additional Mailing Services | 2022 | Extended Mail Forwarding Service | United States Postal Service |
Postal Service | 90 FR 9843 | 39 CFR 111 | USPS Pub 52 | 2025 | Cremated Remains Packaging Requirements | United States Postal Service |
Postal Service | 90 FR 9843 | 39 CFR 111 | USPS DMM | 2025 | Cremated Remains Packaging Requirements | United States Postal Service |
Postal Service | 88 FR 4728 | 39 CFR 111 | USPS DMM 2023: 508.4.5.2c | 2023 | Post Office Box Fee Refund | United States Postal Service |
Postal Service | 88 FR 21478 | 39 CFR 111 | USPS DMM 604.8.4 | 2023 | Counterfeit Postage | 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 | 86 FR 43415 | 39 CFR 111 | USPS DMM 2021: 200- Commercial Letters, Flats, and Parcels Design Standards | 2021 | New Mailing Standards for Domestic Mailing Services Products | United States Postal Service |
Postal Service | 88 FR 14268 | 39 CFR 111 | USPS DMM 2023: 503.2.1 | 2023 | Mailing Currency | United States Postal Service |
Postal Service | 87 FR 1673 | 39 CFR 111 | USPS DMM 2021: 600 | 2021 | Plus One Permanent Product | United States Postal Service |
Postal Service | 90 FR 9843 | 39 CFR 211 | USPS Pub 52 | 2025 | Cremated Remains Packaging Requirements | United States Postal Service |
Postal Service | 90 FR 9843 | 39 CFR 211 | USPS DMM | 2025 | Cremated Remains Packaging Requirements | United States Postal Service |
Postal Service | 86 FR 67862 | 39 CFR 20 | USPS IMM | 2021 | International Competitive Services Product and Price Changes | United States Postal Service |
Postal Service | 85 FR 61608 | 39 CFR 20 | IMM | 1991 | International Mail Manual; Incorporation by Reference | United States Postal Service |
Postal Service | 90 FR 8496 | 39 CFR 20 | USPS IMM | 2025 | International Competitive Services and Price Changes | United States Postal Service |
Postal Service | 88 FR 14268 | 39 CFR 111 | USPS DMM 2023: 601.1.3 | 2023 | Mailing Currency | United States Postal Service |
Postal Service | 87 FR 1673 | 39 CFR 111 | USPS DMM 2021: 602 | 2021 | Plus One Permanent Product | United States Postal Service |
Postal Service | 88 FR 32112 | 39 CFR 111 | USPS DMM 2023: 1.8.2.f | 2023 | Commercial Mail Receiving Agencies | United States Postal Service |
Postal Service | 85 FR 61609 | 39 CFR 111 | USPS IMM 2019 | 2019 | Domestic Mail Manual; Incorporation by Reference | United States Postal Service |
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 | |
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 |