Question 1

What is the total import duty on HS 2931.45.00.00 from China in 2026?

Accepted Answer

Importing HS 2931.45.00.00 (salt of methylphosphonic acid and (aminoiminomethyl)urea (1:1)) from China in 2026 faces an estimated total of 38.7%: 3.7% MFN base, plus 25% Section 301 (China), 10% Section 122 Surcharge. Use the free duty calculator to stack MPF/HMF and get a per-shipment landed cost.

Question 2

Does HS 2931.45.00.00 qualify for USMCA treatment from Mexico or Canada?

Accepted Answer

USMCA-qualifying goods under HS 2931.45.00.00 from Mexico or Canada are exempt from the Section 122 reciprocal surcharge and Section 301 tariffs, leaving only the 3.7% MFN base rate. Goods must meet the applicable USMCA rule of origin to claim the preference.

Question 3

Can I claim a duty refund on past imports of HS 2931.45.00.00?

Accepted Answer

Importers who paid IEEPA-based reciprocal duties on HS 2931.45.00.00 before the February 2026 SCOTUS ruling may be eligible for a refund through CBP's CAPE portal. Eligibility depends on your entry dates, liquidation status, and whether your goods were covered by the struck-down tariff actions. Use the free refund estimator to check.

Origin	MFN Base	Stacked Programs	Est. Total
China	3.7%	301 +25%S122 +10%	38.7%
Mexico (USMCA)	3.7%	None	3.7%
Canada (USMCA)	3.7%	None	3.7%
Vietnam	3.7%	S122 +10%	13.7%
Germany (EU)	3.7%	S122 +10%	13.7%
India	3.7%	S122 +10%	13.7%
South Korea	3.7%	S122 +10%	13.7%

2931.45.00.00

Frequently Asked Questions

What is the total import duty on HS 2931.45.00.00 from China in 2026?

Does HS 2931.45.00.00 qualify for USMCA treatment from Mexico or Canada?

Can I claim a duty refund on past imports of HS 2931.45.00.00?

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