Importer Security Filings (ISF) requirements went into effect 1/26/09. Use these links for information about the ISF requirement.

Supplier Coversheet for ISF
Frequently Asked Questions: ISF (From the NCBFAA emails)
Action Customs' Introduction to Importer Security Filing.pdf version

Presentation-Final Interim Ruling from Customs via NCBFAA

Federal Register-Interim Final Ruling-Importer Security Filing and Additional Carrier Requirements

Customs and Border Protection's Importer Security Filing Website