46 CFR § 139.160 - Coast Guard oversight activities.

---
identifier: "/us/cfr/t46/s139.160"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 139.160 - Coast Guard oversight activities."
title_number: 46
title_name: "Shipping"
section_number: "139.160"
section_name: "Coast Guard oversight activities."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "M"
subchapter_name: "TOWING VESSELS"
part_number: "139"
part_name: "THIRD-PARTY ORGANIZATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 3103, 3301, 3306, 3308, 3316, 8104, 8904; 33 CFR 1.05; DHS Delegation 0170.1."
regulatory_source: "81 FR 40101, June 20, 2016, unless otherwise noted."
cfr_part: "139"
---


# 139.160 Coast Guard oversight activities.

(a) The Coast Guard will provide notice to the TPO 48 hours in advance of any site visit, unless the visit is in response to a complaint or other evidence of regulatory non-compliance. During the visit, the Coast Guard may:

(1) Inspect a TPO's records;

(2) Conduct interviews of auditors or surveyors to aid in the evaluation of the organization; and

(3) Observe audits or surveys.

(b) The Coast Guard may require that the owner or managing operator make available a copy of the TSMS upon request.

(c) The Coast Guard may require a revision of a previously approved TSMS if it is determined that requirements of this subchapter are not met.