Glossary

Plain-English definitions for the acronyms that come up most often in member discussions.

ACE
Automated Commercial Environment — the U.S. trade-data system operated by CBP.
AMS
Automated Manifest System — the legacy cargo-manifest filing platform now superseded by ACE.
BCO
Beneficial Cargo Owner — the importer or exporter of record.
CFS
Container Freight Station — a facility for LCL deconsolidation.
CTPAT
Customs-Trade Partnership Against Terrorism — a voluntary supply-chain security program.
D&D
Detention & demurrage — per-day charges for holding ocean containers or chassis beyond free time.
FCL / LCL
Full Container Load and Less than Container Load — the two basic ocean-cargo modes.
FMC
Federal Maritime Commission — U.S. regulator of ocean shipping.
FTZ
Foreign-Trade Zone — a designated area treated as outside the U.S. customs territory for duty purposes.
HTS
Harmonised Tariff Schedule — the classification system for imported goods.
ISF
Importer Security Filing — the 10+2 data set required before ocean cargo lades.
LCB
Licensed Customs Broker — an individual licensed by CBP to file customs entries.
NVOCC
Non-Vessel-Operating Common Carrier — a carrier that issues its own bills of lading without owning ships.
OTI
Ocean Transportation Intermediary — the FMC licence covering forwarders and NVOCCs.
PSC
Post-Summary Correction — a CBP process to correct an entry after liquidation.