---
kind: "section"
citation: "19 U.S.C. § 1881"
title: "19"
title_heading: "Customs Duties"
number: "1881"
heading: "Normal trade relations"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/19/1881"
units:
  - "Chapter 7 — Trade Expansion Program"
  - "Subchapter II — Trade Agreements"
  - "Part VI — General Provisions"
---

# §1881. Normal trade relations


Except as otherwise provided in this subchapter, in [section 1351 of this title](/usc/19/1351.md), or in section 401(a) of the Tariff Classification Act of 1962, any [duty or other import restriction](/usc/19/1806.md?p=2) or duty-free treatment proclaimed in carrying out any trade agreement under this subchapter or [section 1351 of this title](/usc/19/1351.md) shall apply to products of all foreign [countries](/usc/19/1677.md?p=3), whether imported directly or indirectly.


## Source credit

(Pub. L. 87–794, title II, § 251, Oct. 11, 1962, 76 Stat. 879; Pub. L. 105–206, title V, § 5003(b)(1), July 22, 1998, 112 Stat. 789.)

## Notes

### Editorial Notes

### References in Text

Section 401(a) of the Tariff Classification Act of 1962, referred to in text, is set out as a note under section 1351 of this title.

### Amendments

1998—Pub. L. 105–206 substituted existing catchline for “Most-favored-nation principle”.