19 CFR § 145.26 - Rates of duty not binding.

---
identifier: "/us/cfr/t19/s145.26"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "19 CFR § 145.26 - Rates of duty not binding."
title_number: 19
title_name: "Customs Duties"
section_number: "145.26"
section_name: "Rates of duty not binding."
chapter_name: "U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY"
part_number: "145"
part_name: "MAIL IMPORTATIONS"
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, 1624."
regulatory_source: "T.D. 73-135, 38 FR 13369, May 21, 1973, unless otherwise noted."
cfr_part: "145"
---


# 145.26 Rates of duty not binding.

Rates of duty assessed on a mail entry, whether assessed on the original entry or as amendments under § 145.24, are not binding for future importations. A binding ruling on tariff classification may be obtained in accordance with the procedures set forth in part 177 of this chapter.

[T.D. 73-175, 38 FR 13369, May 21, 1973, as amended at 38 FR 17469, July 2, 1973; T.D. 78-99, 43 FR 13061, Mar. 29, 1978]