# Quality control for construction of packaging.

**Citation:** 49 CFR 173.474  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Prior to the first use of any packaging for the shipment of Class 7 (radioactive) material, the offeror shall determine that—

(a) The packaging meets the quality of design and construction requirements as specified in this subchapter; and

(b) The effectiveness of the shielding, containment and, wh

## Document text

Prior to the first use of any packaging for the shipment of Class 7 (radioactive) material, the offeror shall determine that—

(a) The packaging meets the quality of design and construction requirements as specified in this subchapter; and

(b) The effectiveness of the shielding, containment and, when required, the heat transfer characteristics of the package, are within the limits specified for the package design.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-173.474>
- Source ID: `ecfr`
- SHA-256: `42b77c98bba3a4a4bac4ec383c37f763989a7e8c3f6492e7b7a2355d10c26706`
- Retrieved: 2026-08-20T05:46:04.092Z
- Exported: 2026-08-22T23:11:15.827Z
- Document slug: `49-cfr-173-474`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "173",
  "section": "173.474",
  "subpart": "Subpart I—Class 7 (Radioactive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```