Yes. If an ISF importer elects to use any of the flexible filing options provided for under
the interim final rule, the ISF must be updated with the action reason code of CT to
denote the correct or more accurate information as soon as it is known, but in any event
no later than 24 hours prior to arrival of the vessel in the first U.S. port.
One of the following action reason codes must be provided as part of an ISF-10 filing:
CT - Compliant Transaction – All data is present and is based upon the best
information available at the time of the filing; no special flexibility rules apply. If CT is
used, the ISF can be updated if necessary, but CBP does not necessarily expect to see
updates for these filings. CT is also used to finalize a FR, FT or FX filing.
FR - Flexible Range – A range of data for the Manufacturer, and/or Ship To Party,
and/or Country of Origin, and/or Commodity HTSUS number has been provided. In
these cases, the ISF must be updated as soon as better information becomes available, but
in any event no later than 24 hours prior to arrival. If FR is used, CBP will expect a
timely update.
FT - Flexible Timing – The CS (consolidator name/address) and/or the LG (stuffing
location) has not been provided. The ISF must be updated as soon as better information
becomes available, but in any event no later than 24 hours prior to arrival. If FT is used,
CBP will expect to receive a timely update.
FX - Flexible Range and Flexible Timing - A range of data as described in FR has been
provided and the CS (consolidator name/address) and/or LG (stuffing location) have not
been provided. The ISF must be updated as soon as better information becomes
available, but in any event no later than 24 hours prior to arrival. If FX is used, CBP will
expect a timely update.