19 CFR § 190.29 - Certification of bill of materials or formula.

---
identifier: "/us/cfr/t19/s190.29"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "19 CFR § 190.29 - Certification of bill of materials or formula."
title_number: 19
title_name: "Customs Duties"
section_number: "190.29"
section_name: "Certification of bill of materials or formula."
chapter_name: "U.S. CUSTOMS AND BORDER PROTECTION, DEPARTMENT OF HOMELAND SECURITY; DEPARTMENT OF THE TREASURY"
part_number: "190"
part_name: "MODERNIZED DRAWBACK"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 301; 19 U.S.C. 66, 1202 (General Note 3(i), Harmonized Tariff Schedule of the United States), 1313, 1624;"
regulatory_source: "83 FR 64997, Dec. 18, 2018, unless otherwise noted."
cfr_part: "190"
---


# 190.29 Certification of bill of materials or formula.

At the time of filing a claim under 19 U.S.C. 1313(a) or (b), the claimant must certify the following:

(a) The claimant is in possession of the applicable bill of materials or formula for the exported or destroyed article(s), which will be promptly provided upon request;

(b) The bill of materials or formula identifies the imported and/or substituted merchandise and the exported or destroyed article(s) by their 8-digit HTSUS subheading numbers; and

(c) The bill of materials or formula identifies the manufactured quantities of the imported and/or substituted merchandise and the exported or destroyed article(s).