49 CFR 171.6: OMB control numbers for HMR information collections
Last reviewed: October 14, 2026
This section collects and displays the OMB control numbers assigned to the HMR collections of information under the Paperwork Reduction Act of 1995. A table lists each control number, its report title, and the parts or sections in 49 CFR where the collection is identified and described.
What it says
This section collects and displays the control numbers that the Office of Management and Budget (OMB) assigned to the HMR collections of information under the Paperwork Reduction Act of 1995.
49 CFR 171.6(a)“This section collects and displays the control numbers assigned to the HMR collections of information by the Office of Management and Budget (OMB)”
This section complies with the OMB regulations in 5 CFR 1320.7(f), 1320.12, 1320.13 and 1320.14 for displaying control numbers assigned to HMR collections of information.
49 CFR 171.6(a)“This section complies with the requirements of 5 CFR 1320.7(f), 1320.12, 1320.13 and 1320.14”
The table in paragraph (b)(2) sets out the control numbers OMB assigned to collections of information in the HMR.
49 CFR 171.6(b)“The table in paragraph (b)(2) of this section sets forth the control numbers assigned to collection of information in the HMR”
Column 1 of the table lists the OMB control number assigned to the HMR collections of information.
49 CFR 171.6(b)(1)“Column 1 lists the OMB control number assigned to the HMR collections of information.”
Column 2 of the table gives the Report Title of the approved collection of information.
49 CFR 171.6(b)(1)“Column 2 contains the Report Title of the approved collection of information.”
Column 3 of the table lists the part(s) or section(s) in 49 CFR identified or described in the collection of information.
49 CFR 171.6(b)(1)“Column 3 lists the part(s) or section(s) in 49 CFR identified or described in the collection of information.”
Common questions
What is the purpose of 49 CFR 171.6?
It collects and displays the OMB control numbers assigned to the HMR collections of information under the Paperwork Reduction Act of 1995.
“This section collects and displays the control numbers assigned to the HMR collections of information by the Office of Management and Budget (OMB)”
Where are the OMB control numbers listed in 49 CFR 171.6?
They are in the table in paragraph (b)(2) of this section.
“The table in paragraph (b)(2) of this section sets forth the control numbers assigned to collection of information in the HMR”
What does Column 3 of the OMB control number table show?
Column 3 lists the part(s) or section(s) in 49 CFR identified or described in the collection of information.
“Column 3 lists the part(s) or section(s) in 49 CFR identified or described in the collection of information.”
The text of 49 CFR 171.6
Electronic Code of Federal Regulations (eCFR), current as of April 16, 2026 · Read it on eCFR
Control numbers under the Paperwork Reduction Act
(a) Purpose and scope. This section collects and displays the control numbers assigned to the HMR collections of information by the Office of Management and Budget (OMB) under the Paperwork Reduction Act of 1995. This section complies with the requirements of 5 CFR 1320.7(f), 1320.12, 1320.13 and 1320.14 (OMB regulations implementing the Paperwork Reduction Act of 1995) for the display of control numbers assigned by OMB to collections of information of the HMR.
(b) OMB control numbers. The table in paragraph (b)(2) of this section sets forth the control numbers assigned to collection of information in the HMR by the Office of Management and Budget (OMB) under the Paperwork Reduction Act of 1995.
(1) Column 1 lists the OMB control number assigned to the HMR collections of information. Column 2 contains the Report Title of the approved collection of information. Column 3 lists the part(s) or section(s) in 49 CFR identified or described in the collection of information.
(2) Table 1 to paragraph (b)(2):
Current OMBcontrol No.
Title Title 49 CFR part or section where identified and described 2137-0014 Cargo Tank Specification Requirements §§ 107.503, 107.504, 178.320, 178.337, 178.338, 178.345, 180.407, 180.409, 180.413, 180.417. 2137-0018 Inspection and Testing of Portable Tanks and Intermediate Bulk Containers §§ 173.24, 173.32, 178.3, 178.255, 178.273, 178.274, 178.703, 178.801, 180.352, 180.605. 2137-0022 Testing, Inspection, and Marking Requirements for Cylinders §§ 173.5b, 173.302a, 173.303, 173.304, 173.309, 178.2, 178.3, 178.35, 178.44, 178.45, 178.46, 178.57, 178.59, 178.60, 178.61, 178.68, 180.205, 180.207, 180.209, 180.211, 180.213, 180.215, 180.217, appendix C to part 180. 2137-0034 Hazardous Materials Shipping Papers and Emergency Response Information §§ 172.200, 172.201, 172.202, 172.203, 172.204, 172.505, 172.600, 172.602, 172.604, 172.606, 173.6, 173.7, 173.22, 173.56, 174.24, 174.26, 174.114, 175.30, 175.31, 175.33, 176.24, 176.27, 176.30, 176.36, 176.89, 177.817. 2137-0039 Hazardous Materials Incidents Reports §§ 171.15, 171.16, 171.21. 2137-0051 Rulemaking and Special Permit Petitions §§ 105.30,
105.40, 106.95, 106.110, 107.105, 107.107, 107.109, 107.113, 107.117, 107.121, 107.123, 107.125, 107.205, 107.211, 107.215, 107.217, 107.219, 107.221, 107.223. 2137-0510 RAM Transportation Requirements Part 173, subpart I, §§ 173.22, 173.411, 173.415, 173.416, 173.417, 173.457, 173.471, 173.472, 173.473, 173.476. 2137-0542 Flammable Cryogenic Liquids §§ 173.318, 177.816, 177.840, 180.405. 2137-0557 Approvals for Hazardous Materials §§ 107.402, 107.403, 107.405, 107.502, 107.503, 107.705, 107.713, 107.715, 107.717, 107.803, 107.805, 107.807, 110.30, 172.101, 172.102, Special Provisions 19, 26, 53, 55, 60, 105, 118, 121, 125, 129, 131, 133, 136, B45, B55, B61, B69, B77, B81, N10, N72, 173.2a, 173.4, 173.7, 173.21, 173.22, 173.24, 173.31, 173.38, 173.51, 173.56, 173.58, 173.59, 173.124, 173.128, 173.159, 173.166, 173.171, 173.214, 173.222, 173.224, 173.225, 173.245, 173.301, 173.305, 173.306, 173.314, 173.315, 173.316, 173.318
, 173.334, 173.340, 173.411, 173.433, 173.457, 173.471, 173.472, 173.476, 174.50, 174.63, 175.8, 175.85, 175.701, 175.703, 176.168, 176.340, 176.704, 178.3, 178.35, 178.47, 178.53, 178.273, 178.274, 178.503, 178.509, 178.605, 178.606, 178.608, 178.801, 178.813, 180.213. 2137-0559
(Rail Carriers and Tank Car Tank Requirements) Requirements for Rail Tank Car Tanks—Transportation of Hazardous Materials by Rail. §§ 172.102, Special provisions: B45, B46, B55, B61, B69, B77, B78, B81; 173.10, 173.31, 174.20, 174.50, 174.63, 174.104, 174.114, 174.204, 179.3, 179.4, 179.5, 179.6, 179.7, 179.11, 179.18, 179.22, 179.100-9, 179.100-12, 179.100-13, 179.100-16, 179.100-17, 179.102-4, 179.102-17, 179.103-1, 179.103-2, 179.103-3, 179.103-5, 179.200-10, 179.200-14, 179.200-15, 179.200-16, 179.200-17, 179.200-19, 179.201-3, 179.201-8, 179.201-9, 179.220-4, 179.220-7, 179.220-8, 179.220-13, 179.220-15, 179.220-17, 179.220-18, 179.220-20, 179.220-22, 179.300-3, 179.300-7, 179.300-9, 179.300-12, 179.300-13, 179.300-15, 179.300-20, 179.400-3, 179.400-4, 179.400-11, 179.400-13, 179.400-16, 179.400-17, 179.400-19, 179.400-20, 179.500-5, 179.500-8, 179.500-12, 179.500-18, 180.505, 180.509, 180.515, 180.
517. 2137-0572 Testing requirements for non-bulk packages §§ 173.168, 178.2, 178.601, appendix C to part 178, appendix D to part 178. 2137-0582 Container Certification Statement §§ 176.27, 176.172. 2137-0586 Hazardous Materials Public Sector Training and Planning Grants Part 110. 2137-0591 Response Plans for Shipments of Oil Part 130. 2137-0595 Cargo Tank Motor Vehicles in Liquefied Compressed Gas Service §§ 173.315, 178.337-8, 178.337-9, 180.405, 180.416. 2137-0612 Hazardous Materials Security Plans Part 172, subpart I, §§ 172.800, 172.802, 172.804. 2137-0613 Subsidiary Hazard Class and Number/Type of Packagings §§ 172.202, 172.203 2137-0620 Inspection and Testing of Meter Provers Part 173, subpart A, § 173.5a. 2137-0621 Requirements for United Nations (UN) Cylinders §§ 173.301, 173.304, 173.304b, 178.69, 178.70, 178.74, 178.75, 180.207, 180.209, 180.212, 180.215, 180.217. 2137-0628 Flammable Hazardous Materials by Rail Transportation §§ 130.120, 171.16, 173.41, 173.145, 173.150, 174.310, 174.312.
Sections it refers to
The plain-English explanation on this page was written with AI from the regulation text above and checked automatically before publishing: every quote appears in the text, every number comes from it, and a second model confirmed each statement adds nothing the text doesn't say. Regulation text current as of April 16, 2026. The regulation text governs. RegKnot is not affiliated with the U.S. Coast Guard.