The CBP website provides valuable information on import/export regulations, customs procedures, tariffs, and trade enforcement. You can find it at CBP Website.

The Census Bureau offers data and statistics related to U.S. imports and exports, including trade balances, commodity codes, and trade regulations. You can access it at U.S. Census Bureau.

For those involved in ocean freight shipping, the FMC website offers resources on licensing requirements for NVOCCs, tariff filings, and regulatory compliance. Visit FMC Website.

The DOT's website provides information on regulations and requirements for various modes of transportation, including air, rail, road, and maritime. You can find it at DOT Website.