For information on existing trade barriers, please refer to the National Trade Estimate Report on Foreign Trade Barriers, published by USTR and available at  https://ustr.gov/sites/default/files/files/reports/2021/2021NTE.pdf
 
Information on agricultural trade barriers can be found at United States Mission to the European Union - Foreign Agricultural Service website.

To report existing or new trade barriers and get assistance in removing them, contact either the Trade Compliance Center (https://www.trade.gov/office-trade-agreements-negotiation-and-compliance-tanc) or the U.S. Mission to the European Union.