# -173.145 \[Reserved\]

**Citation:** 49 CFR 173.144-173.145  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated



## Document text



## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-173.144-173.145>
- Source ID: `ecfr`
- SHA-256: `97615c536d133cce6ccf71be689650ce172606d9ac3589ce811598571476ba10`
- Retrieved: 2026-08-20T05:46:04.092Z
- Exported: 2026-08-22T10:13:01.945Z
- Document slug: `49-cfr-173-144-173-145`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "173",
  "section": "173.144-173.145",
  "subpart": "Subpart D—Definitions Classification, Packing Group Assignments and Exceptions for Hazardous Materials Other Than Class 1 and Class 7",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```