# Supervision by person in charge.

**Citation:** 33 CFR 156.160  
**Type / status:** regulation / current  
**Agency:** United States Coast Guard  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) No person may connect or disconnect a hose, top off a tank, or engage in any other critical procedures during the transfer operation unless the person in charge, required by § 156.120(s), supervises that procedure.

(b) No person may start the flow of oil or hazardous material to or from a vesse

## Document text

(a) No person may connect or disconnect a hose, top off a tank, or engage in any other critical procedures during the transfer operation unless the person in charge, required by § 156.120(s), supervises that procedure.

(b) No person may start the flow of oil or hazardous material to or from a vessel unless instructed to do so by either person in charge.

(c) No person may transfer oil or hazardous material to or from a vessel unless each person in charge is in the immediate vicinity and immediately available to the transfer personnel.

[CGD 75-124, 45 FR 7177, Jan. 31, 1980, as amended by CGD 86-034, 55 FR 36256, Sept. 4, 1990]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-33/section-156.160>
- Source ID: `ecfr`
- SHA-256: `d42b24b2d3262c459198a6aa32a68dc392829e89b644f6e98e7a6bf5fb2560df`
- Retrieved: 2026-08-20T06:28:21.529Z
- Exported: 2026-08-23T23:58:16.891Z
- Document slug: `33-cfr-156-160`

### Source metadata

```json
{
  "cfrTitle": 33,
  "part": "156",
  "section": "156.160",
  "subpart": "Subpart A—Oil and Hazardous Material Transfer Operations",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```