Section 321 De Minimis Closure Cost Calculator
Section 321 closure calculator for post-2025 China-origin imports. Compare pre-closure and post-closure landed cost for low-value e-commerce parcels by adding duty, processing fee, and freight-mode charges that apply after the 800 USD de minimis pathway ended.
Regional Rule Context
China Rates and Rules
Post-closure cost model comparing pre-closure under-800 baseline and current duty-plus-fee treatment on targeted China-origin flows. Includes MFN duty, Section 301 rate, and processing-fee layer.
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Result
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Section 321 de minimis closure calculator for 2026. Models how low-value parcel economics change when duty and entry fees apply after closure of the former under-800 pathway for targeted China-origin import flows.
Disclaimer: This calculator uses publicly available rules effective as of Jan 1, 2026 (version 1.0). Results are for informational purposes only. Always verify with official sources or a qualified professional. Last reviewed: May 1, 2026.
Formula
After de minimis closure, duty and entry fees apply even to low-value parcels. This calculator compares the old under-800 pathway to current landed cost under duty-plus-fee treatment.
China FAQs
What does this closure calculator compare?
It compares a pre-closure baseline scenario and a post-closure scenario for the same order value, shipping cost, and tariff assumptions.
Why can low-value parcels become much more expensive?
Post-closure cost includes both percentage duty and fixed or minimum fee layers. Fixed components are especially heavy for small-ticket orders.
Does this include Section 301 rates?
Yes. You can enter a Section 301 percentage and combine it with base MFN duty to model total tariff pressure.
Can this replace customs entry calculation?
No. It is a planning tool. Final charge depends on classification, carrier process, and customs treatment on the actual entry.
Who should use this model?
Cross-border shoppers, drop-shippers, DTC operators, and marketplace sellers can use it to estimate post-closure cost and pricing impact.
How can I put this Section 321 De Minimis Closure Cost Calculator on my blog or website?
Yes, the Section 321 De Minimis Closure Cost Calculator is fully embeddable. Tap "Embed" above to configure appearance and copy the code. It is free to use, works on any platform (HTML, WordPress, CMS), and adjusts to any screen size automatically. Visit calculory.com/services/embed-calculators for the complete guide.
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