19 CFR § 10.452 - Exclusions.

---
identifier: "/us/cfr/t19/s10.452"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "19 CFR § 10.452 - Exclusions."
title_number: 19
title_name: "Customs Duties"
section_number: "10.452"
section_name: "Exclusions."
chapter_name: "U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY"
part_number: "10"
part_name: "ARTICLES CONDITIONALLY FREE, SUBJECT TO A REDUCED RATE, ETC."
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "19 U.S.C. 66, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States (HTSUS)), 1321, 1481, 1484, 1498, 1508, 1623, 1624, 4513."
regulatory_source: "28 FR 14663, Dec. 31, 1963, unless otherwise noted."
cfr_part: "10"
---


# 10.452 Exclusions.

A good will not be considered to be an originating good and a material will not be considered to be an originating material by virtue of having undergone:

(a) Simple combining or packaging operations; or

(b) Mere dilution with water or with another substance that does not materially alter the characteristics of the good or material.