Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Standards Incorporated by Reference (SIBR) Database

Download PDF

If you would like to be notified when new records are added to the Standards Incorporated by Reference (SIBR) Database, please click on the button to subscribe to this weekly alert.

SUBSCRIBE

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).

More information

Displaying 20001 - 20050 of 20356
(Total unique standards: 8706) ℹ️
Incorporated by (Agency) FR Citation Sort descending CFR Citation Document Number Document Edition / Year Title of Standard Standard Publishing Organization
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6730 2022 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6729 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6729 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6708 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6708 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6550 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6550 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6299 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6299 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6259 2023 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6259 2023 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D6228 2019 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D6228 2019 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5854 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5854 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5842 2023 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5842 2023 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5769 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5769 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5454 2020 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5454 2020 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5453 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5453 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D5134 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D5134 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4814 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4814 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4806 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4806 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4737 2021 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4737 2021 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4444 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4444 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4442 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4442 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4177 2022 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4177 2022 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D4057 2022 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D4057 2022 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D3606 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D3606 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D3588 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D3588 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D3231 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D3231 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D2622 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D2622 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D1946 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 63 ASTM D1946 2024 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International
Environmental Protection Agency 91 FR 16388 40 CFR 80 ASTM D1945 2025 Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes ASTM International

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.