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Animal and Plant Health Inspection Service
U.S. Department of Agriculture
USDA FAQ's and resources about coronavirus (COVID-19).  LEARN MORE

Postentry Quarantine

Postentry quarantine is a pest risk mitigation measure designed to enable importers to move planting stock representing a high risk of plant pest dissemination from designated foreign sources into the U.S. The regulations for postentry quarantine is specified in 7 CFR 319.37-23. All requirements for postentry quarantine are located in the Plants for Planting Manual.

Final destination of the postentry taxa is limited to those States with a Postentry Quarantine Agreement.

The length of the quarantine period is generally two years with exceptions for some plant species as specified in the Plants for Planting Manual.

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