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Standards Incorporated by Reference (SIBR) Database

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Accessing Standards Incorporated by Reference

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).

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Displaying 27301 - 27350 of 27495
Export results (CSV)
Incorporated by (Agency) FR Citation CFR Citation Document Number Document Edition / Year Title of Standard Standard Publishing Organization
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
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
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
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 90 FR 248 39 CFR 20 USPS IMM 2025 International Return Receipt 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 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 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 84 FR 26345 39 CFR 20 IMM 2020 International Mailing Services: Mailing Services Product and Price Changes-CPI 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 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 Pub 52 2023 Electronic Indicators for the Mailing of Hazardous 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 85 FR 65225 39 CFR 20 USPS IMM 2019 International Competitive Services Product and Price Changes 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 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 88 FR 24912 39 CFR 111 USPS DMM 2023 2023 Hardcopy Postage Statements Discontinued 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 21478 39 CFR 111 USPS DMM 507.1.1b 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 84 FR 55504 39 CFR 111 USPS DMM 2020 2020 Domestic Competitive Products Pricing and Mailing Standards Changes 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 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 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 87 FR 32086 39 CFR 111 USPS DMM 2021 Nonsubscriber Cap for In-County Periodicals 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 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 604.8.4 2023 Counterfeit Postage United States Postal Service
Postal Service 90 FR 24327 39 CFR 111 USPS DMM 2025 New Mailing Standards for Domestic Mailing Services Products 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 8496 39 CFR 20 USPS Notice 123 2025 International Competitive Services and Price Changes 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 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 32112 39 CFR 111 USPS Handbook AS- 353, Appendix E, USPS SOR 845.000 2023 Commercial Mail Receiving Agencies United States Postal Service
Postal Service 89 FR 15474 39 CFR 20 USPS DMM 2024 2024 International Mail Manual; Incorporation by Reference 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 11587 39 CFR 111 USPS DMM 2022: 500 Additional Mailing Services 2022 Extended Mail Forwarding Service 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 89 FR 79441 39 CFR 111 USPS DMM 2025 Address Correction Notices IMpb United States Postal Service

DISCLAIMER: Data and information released from the Standards Incorporated by Reference databases at NIST are provided on an "AS IS" basis, without representation or warranty of any kind, including without limitation the warranties of merchantability, fitness for a particular purpose and non-infringement. Data and/or information in this database may contain errors or may be incomplete. Please email [email protected] if you identified missing information or incorrect information. This database is provided by NIST as a public service. Inclusion of records in this database does not represent endorsement or recommendation of standards listed by NIST.

NOTE: This database does not included records related to the Incorporation by Reference for the following: Department of Transportation, Federal Aviation Administration – Airworthiness Directives, State Air Plan Approvals, and Standard Instrumentation Approach Procedures; and the Environmental Protection Agency - State Approval of Air Quality Plans.