Section 321 Entry Requirements Explained for Smooth Customs Clearance

Section 321 allows shipments valued at $800 or less to enter the United States duty-free without formal customs entry filing. The key requirement is that the shipment qualifies under this de minimis value threshold and meets specific

Written by: Haider

Published on: November 21, 2025

Section 321 Entry Requirements Explained for Smooth Customs Clearance

Haider

November 21, 2025

Section 321

Section 321 allows shipments valued at $800 or less to enter the United States duty-free without formal customs entry filing. The key requirement is that the shipment qualifies under this de minimis value threshold and meets specific data and documentation standards to ensure smooth processing.

While formal entry is not required, importers must still provide detailed information about the goods to U.S. Customs and Border Protection (CBP). This includes accurate product descriptions, value declarations, and certification that the shipment qualifies under Section 321 criteria.

Understanding these entry requirements helps businesses, especially in eCommerce, streamline customs clearance and reduce delays. Compliance with these rules is essential to maintain eligibility for this simplified import process.

Understanding Section 321 Entry Requirements

Section 321 entry requirements allows for the duty-free entry of low-value shipments under specific conditions. It sets clear guidelines on what qualifies, the documents needed, and restrictions on goods. Compliance with these requirements ensures smooth customs processing and avoids penalties.

Definition and Legal Basis

Section 321 is part of the Tariff Act of 1930. It permits importers to bring shipments valued at $800 or less into the U.S. without paying duties or needing formal entry. This provision aims to simplify customs clearance for low-value goods.

The legal framework removes the need for formal customs entry processing, reducing time and cost. However, goods must meet strict eligibility rules and declaration requirements. Customs and Border Protection (CBP) enforces these regulations to maintain compliance.

Eligible Merchandise and Value Limits

Goods eligible under Section 321 must not exceed a total value of $800 per shipment. This includes the cost of the item, shipping, and insurance fees. Shipments valued over this limit require formal customs entry and may incur duties and taxes.

Eligible items include commercial goods, gifts, and personal shipments. Items imported for commercial purposes should adhere to import restrictions unrelated to value. Non-commercial shipments must also meet the value threshold and proper declaration.

Required Documentation

Although formal entry filings are not required, importers must submit information about the shipment. This often includes a declaration or electronic data with details such as:

  • Description of the goods
  • Value of the shipment
  • Country of origin
  • Shipments must include accurate information for customs to process the entry under Section 321.

The documentation must be clear and truthful to avoid delays or rejection. Using a customs broker or fulfillment service can assist in completing these requirements correctly.

Prohibited and Restricted Goods

Certain items cannot be imported under Section 321 regardless of value. These include hazardous materials, alcohol, tobacco products, and firearms. Restricted goods that require special permits or licenses are also excluded.

Importers must verify prohibited and restricted items before shipment. Attempting to declare ineligible goods under Section 321 can lead to seizure, fines, or increased inspections. Compliance with U.S. laws ensures the benefit of duty-free entry remains intact.

Section 321 Compliance and Best Practices

Compliance with Section 321 involves understanding specific customs procedures, managing e-commerce shipments carefully, and avoiding penalties through accurate filings. Effective use of available systems and clear knowledge of requirements are essential for smooth imports under this provision.

Customs and Border Protection Procedures

Section 321 allows shipments valued at $800 or less to enter the U.S. duty-free without formal entry. However, exporters must still provide accurate shipment information to U.S. Customs and Border Protection (CBP). This includes proper classification and description of goods.

CBP uses systems like the Automated Commercial Environment (ACE) for electronic filing. Entry Type 86 is a voluntary test that requires submitting additional data to improve compliance and visibility. Filers must ensure data accuracy to prevent delays and inspections.

Documentation must clearly state the shipment value, contents, and importer information. Misclassification or incomplete data can trigger examinations or seizures. Staying updated on CBP notifications helps maintain smooth processing under Section 321.

E-Commerce and Section 321

E-commerce businesses benefit from Section 321 by importing small parcels without complex entry filings or duty costs. Accurate product descriptions and declared values are critical to meet the $800 de minimis threshold.

Businesses should integrate customs data requirements into their order fulfillment workflows. Using electronic filing tools simplifies compliance and reduces processing time. Some carriers offer specialized solutions to handle Section 321 shipments efficiently.

As the landscape shifts, some changes to Section 321 may affect e-commerce imports. Staying informed about regulatory updates ensures that merchants avoid surprises and maintain operational continuity, especially during peak seasons.

Penalties for Non-Compliance

Failure to comply with Section 321 entry requirements can lead to penalties including fines, seizure of goods, and delays. CBP may impose penalties for underreporting value or submitting inaccurate information about imported goods.

Customs audits can uncover inconsistencies or misclassifications, triggering penalties or increased scrutiny on future shipments. Repeated violations may result in more severe enforcement actions.

Maintaining detailed records and using compliant software tools reduces risk. Importers must also train staff on customs requirements and monitor changes in regulations regularly to avoid costly errors.

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