# Regulus search export - Query: `4 FR 173` - Source type: All - Part: All - Source: All - Status: All - Jurisdiction: All - Collection: All - Incident class: All - Sort: relevance - Date from: Any - Date to: Any - As of: Current corpus - Results: 14 - Exported: 2026-08-24T05:33:57.869Z ## 1. Limited quantities. **Citation:** 49 CFR 172.315 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49335, Aug. 4, 2026. (a) Modes other than air transport. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `5e343808a8d5c47b81ea8473165135550c3b3569768142e3ea7458dbf11d002a` - Retrieved: 2026-08-20T05:45:59.130Z - Document slug: `49-cfr-172-315` - Related records: 119 ## 2. Empty packagings. **Citation:** 49 CFR 173.29 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49310, Aug. 4, 2026. Link to an amendment published at 91 FR 49340, Aug. 4, 2026. (a) General. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `2715fb82311d0f16d67a82ad075fee754bb03ef4585cdc3eb0e983bb90ff28c0` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-29` - Related records: 133 ## 3. Authorized packagings and overpacks. **Citation:** 49 CFR 173.25 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49335, Aug. 4, 2026. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `273509a0518bf314d62817446d55a561be8ce02d1c584e1d7c3aaa1e40d11981` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-25` - Related records: 154 ## 4. Government operations and materials. **Citation:** 49 CFR 173.7 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49315, Aug. 4, 2026. (a) Hazardous materials offered for transportation by, for, or to the Department of Defense (DOD) of the U.S. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `664fe50cef54a698dc3cb96a1a03967c84e251c93dd0eeecd02272d3fa450b0a` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-7` - Related records: 55 ## 5. Materials of trade exceptions. **Citation:** 49 CFR 173.6 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49349, Aug. 4, 2026. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `3d9ab58ab525b506706f3645fa324c136b20a8c1f357a13a4ab542753a0fb94f` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-6` - Related records: 201 ## 6. Limited quantities of compressed gases. **Citation:** 49 CFR 173.306 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49319, Aug. 4, 2026. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `563b398d78633f57db581920214098cd321361adf8dc1feb38707ba8af24f877` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-306` - Related records: 438 ## 7. Previously authorized packaging. **Citation:** 49 CFR 173.23 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49345, Aug. 4, 2026. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `44c0a05fc60b491c0559b2277fff1ebd09d717a2e2f4af3546d4a93f076c352f` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-23` - Related records: 31 ## 8. Exceptions for compressed gases. **Citation:** 49 CFR 173.307 **Type / status:** regulation / current **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2026-08-18 / Not stated Link to an amendment published at 91 FR 49315, Aug. 4, 2026. (a) The following materials are not subject to the requirements of this subchapter: (1) Carbonated beverages. ### Provenance - Official: Yes - Source: - Source ID: `ecfr` - SHA-256: `5a8bd9806cf3f5df9d51b387cca21425531b29b4972d3c963f58566bc71dd15d` - Retrieved: 2026-08-20T05:46:04.092Z - Document slug: `49-cfr-173-307` - Related records: 55 ## 9. Approval of independent inspection agency. **Citation:** 49 CFR 173.300a **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated (a) Any person who (1) does not manufacture cylinders for use in the transportation of hazardous materials and (2) is not directly or indirectly controlled by any person or firm which manufactures cylinders for use in the transportation of hazardous materials, may apply to the Department for approva ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `391dbedfa0ff7dda32ca1aa897b612d88c23e7f1ea8d47478ca74afa8b96c68d` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-173-300a` - Related records: 16 ## 10. Approval of non-domestic chemical analyses and tests. **Citation:** 49 CFR 173.300b **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated (a) Any person who manufactures cylinders outside the United States may apply to the Department for approval to have the chemical analyses and tests of those cylinders required by part 178 of this subchapter performed outside the United States for the purpose of qualifying them for use in the transp ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `62eca553a13db5169ab6772cfd947decf90355196d64be23d4e504d9cb8a40cc` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-173-300b` - Related records: 8 ## 11. Use of Specification IM portable tanks. **Citation:** 49 CFR 173.32c **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2000-10-01 / Not stated (a) No person may offer a hazardous material for transportation in an IM portable tank except as authorized by this subchapter. (b) Except as otherwise provided in this subpart, an IM portable tank may not be used for the transportation of a hazardous material unless it meets the requirements of th ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `55a7c01661e35fbe8931593c56cde3532834d018628f4db2842abb78bb9f7310` - Retrieved: 2026-08-13T06:37:23.437Z - Document slug: `49-cfr-173-32c` - Related records: 21 ## 12. Approval of Specification IM portable tanks. **Citation:** 49 CFR 173.32a **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2000-10-01 / Not stated (a) Application for approval. (1) An owner or manufacturer of an IM portable tank (§§ 178.270 through 178.272 of this subchapter) shall apply for approval to any approval agency designated to approve that tank in accordance with the procedures in subpart E, part 107 of this chapter. (2) Each applic ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `1fcb08a25a766ceff6923b2d1158c7d6900236b47f916ecbc2ab5bef8972a6d2` - Retrieved: 2026-08-13T06:37:23.437Z - Document slug: `49-cfr-173-32a` - Related records: 10 ## 13. Periodic testing and inspection of Specification IM portable tanks. **Citation:** 49 CFR 173.32b **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2000-10-01 / Not stated (a) Periodic testing—(1) Hydrostatic test. Each Specification IM portable tank (§§ 178.270, 178.271 and 178.272 of this subchapter) and all piping, valves and accessories, except pressure-relief devices, shall be hydrostatically tested with water, or other liquid of similar density and viscosity, to ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `2783a0e92b777ae64ebd6a75de62b474e94afef382b5bef19cc22350d78f3665` - Retrieved: 2026-08-13T06:37:23.437Z - Document slug: `49-cfr-173-32b` - Related records: 11 ## 14. Termination of approval. **Citation:** 49 CFR 173.300c **Type / status:** regulation / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective / published:** 2001-10-01 / Not stated (a) The Associate Administrator may terminate an approval issued under § 173.300a or § 173.300b of this subpart if he determines: (1) That information upon which approval was based is fraudulent or substantially erroneous; (2) That the holder has not complied with subchapter C of this chapter; (3 ### Provenance - Official: Yes - Source: - Source ID: `govinfo-cfr` - SHA-256: `60d5958fa02c4b026c3c724afb45e18c88ebf8e05c75282fb4ee98690c147fe3` - Retrieved: 2026-08-13T06:37:25.439Z - Document slug: `49-cfr-173-300c` - Related records: 3