# Supervision by person in charge.

- **operation:** document
- **citation:** 33 CFR 156.160
- **title:** Supervision by person in charge.
- **source type:** regulation
- **agency:** United States Coast Guard
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (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
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/33-cfr-156-160.json
- **markdown:** https://regulus.evalyn.ai/document/33-cfr-156-160.md
- **app url:** https://regulus.evalyn.ai/document/33-cfr-156-160
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-33/section-156.160
**body:**

(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]
- **truncated:** false
- **body characters:** 636