# Security.

**Citation:** 49 CFR 176.162  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loadin

## Document text

A responsible person must be present at all times when the hatches of spaces containing Class 1 (explosive) materials are open. No unauthorized person may be permitted to access spaces in which Class 1 (explosive) materials are stowed. Magazines must be secured against unauthorized entry when loading has been completed, or when loading or unloading is stopped. Packages containing Class 1 (explosive) materials may not be opened on board ship.

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-176.162>
- Source ID: `ecfr`
- SHA-256: `c3925f99111629e365fd2c117610cd9fdb3f2e91c889cac9f86045e468b45ce1`
- Retrieved: 2026-08-20T05:46:14.489Z
- Exported: 2026-08-24T04:29:57.385Z
- Document slug: `49-cfr-176-162`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "176",
  "section": "176.162",
  "subpart": "Subpart G—Detailed Requirements for Class 1 (Explosive) Materials",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```