---
kind: "unit"
title: "19"
title_heading: "Customs Duties"
key: "chI/part177"
level: "part"
label: "Part 177"
heading: "Administrative Rulings"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/19/chI-part177"
sections_count: 25
---

# Part 177 — Administrative Rulings

Title 19 C.F.R. — Customs Duties › Chapter I — U.s. Customs and Border Protection, Department of Homeland Security; Department of the Treasury

## Sections

- [§177.0. Scope.](/cfr/19/177.0.md)

## Contents

- [Subpart A — General Ruling Procedure](/cfr/19/chI-part177-subpartA.md)
- [Subpart B — Government Procurement; Country-of-Origin Determinations](/cfr/19/chI-part177-subpartB.md)