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Step-by-step guides and legal documentation help for U.S. businesses involved in international shipping. Avoid fines, delays, and compliance issues.

Export Compliance & Documentation

Step-by-step guides and legal documentation help for U.S. businesses involved in international shipping. Avoid fines, delays, and compliance issues.

How to Fill Out a Commercial Invoice for International Shipping

Learn what to include, who uses it, and why accuracy is essential for customs and payment clearance. Read More

EEI Filing Guide: How to Submit Electronic Export Info via AESDirect

When you need to file EEI, how to do it, and exemptions that may apply. Read More

ECCN Guide: How to Classify Items Under the Commerce Control List

What an ECCN is, how to determine yours, and what export licenses may be required. Read More

HTS Code Explained: How to Classify Your Products for Export

Determine the correct HTS (tariff) code to avoid overpaying duties or misclassifying goods. Read More

CBP Form 5106: A Guide for First-Time U.S. Importers & Consignees

Who needs this form, how to file it, and what happens if your registration lapses. Read More

U.S. Export License FAQs: Do You Need One and How to Apply

Know when licenses are needed, what EAR/EAR99 means, and how to apply. Read More

The Complete Export Shipping Documentation Process

End-to-end walkthrough of preparing documents, from inquiry to shipping. Read More

Shipping Strategy and Cost Optimization

Cost-saving strategies for parcel shipping, 3PL, and freight planning. Learn how carriers price your shipments and how to optimize your logistics.

5 Tips to Stay on Top of Shipping Costs

Real-world methods to reduce costs based on weight, zones, taxes, and fulfillment. Read More

Dimensional Weight Explained: How Box Size Impacts Your Costs

Why shipping a half-empty box costs more than you think. DIM weight calculations demystified. Read More

What’s the Difference Between 3PL and Freight Forwarding?

Understand which model fits your business — and how both services affect fulfillment speed, cost, and complexity. Read More

Carrier Rate Changes

The carriers update their transportation and surcharge rates periodically throughout the year. The following carrier links will keep you updated:


Check out the SPL Blog for additional industry updates.

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