# Marking.

**Citation:** 49 CFR 178.362-6  
**Type / status:** regulation / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2003-10-01  
**Published:** Not stated

(a) Each jacket must be marked on the external surface as follows: “USA-DOT 20WC-() TYPE B.” The appropriate numeral must be inserted in the marking to indicate the appropriate specification 20WC category: e.g., “20WC-2.”

(b) Each jacket must also be marked with the name or symbol of person making 

## Document text

(a) Each jacket must be marked on the external surface as follows: “USA-DOT 20WC-() TYPE B.” The appropriate numeral must be inserted in the marking to indicate the appropriate specification 20WC category: e.g., “20WC-2.”

(b) Each jacket must also be marked with the name or symbol of person making the marks specified in paragraph (a) of this section. Symbol, if used, must be registered with the Associate Administrator.

[Amdt. 178-35, 39 FR 45252, Dec. 31, 1974, as amended by Amdt. 178-40, 41 FR 38182, Sept. 9, 1976. Redesignated by Amdt. 178-97, 55 FR 52716, Dec. 21, 1990, and amended at Amdt. 178-97, 56 FR 66287, Dec. 20, 1991; 66 FR 45386, Aug. 28, 2001]

## Provenance

- Official: Yes
- Source: <https://www.govinfo.gov/app/details/CFR-2003-title49-vol2/CFR-2003-title49-vol2-sec178-362-6>
- Source ID: `govinfo-cfr`
- SHA-256: `88d65adbeef2ef50d5262325dc7e41ddca698b6e2efd2be27489a0748557e069`
- Retrieved: 2026-08-13T06:37:29.399Z
- Exported: 2026-08-22T21:40:27.881Z
- Document slug: `49-cfr-178-362-6`

### Source metadata

```json
{
  "part": "178",
  "section": "178.362-6",
  "subpart": "Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials",
  "annualEdition": 2003,
  "revisedAsOf": "2003-10-01",
  "govInfoPackage": "CFR-2003-title49-vol2",
  "legalStatus": "official-annual-cfr-edition",
  "effectiveDateNote": null,
  "historicalAnchor": true,
  "historicalAnchorNote": "The section appears in an official annual CFR edition but is absent from the connected current eCFR corpus.",
  "jurisdiction": "US"
}
```