# Requirements for Type B packages.

**Citation:** 49 CFR 173.413  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Except as provided in § 173.416, each Type B(U) or Type B(M) package must be designed and constructed to meet the applicable requirements specified in 10 CFR part 71.

## Document text

Except as provided in § 173.416, each Type B(U) or Type B(M) package must be designed and constructed to meet the applicable requirements specified in 10 CFR part 71.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-173.413>
- Source ID: `ecfr`
- SHA-256: `290ac25d67e1f62aa3cd55bc5d817ab21f46be5f1c4d21306054472ed7a7b09b`
- Retrieved: 2026-08-20T05:46:04.092Z
- Exported: 2026-08-23T23:48:39.288Z
- Document slug: `49-cfr-173-413`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "173",
  "section": "173.413",
  "subpart": "Subpart I—Class 7 (Radioactive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```