List of FAQs for the Importer Security Filing

C. Codes: 1. CBP should create detailed amendment codes so changes to the ISF can be tracked more easily. CBP agrees and will post a list of amendment codes in the next set of implementation guides. 2. If I decide to use the “flexible filing option” and submit my ISF under action reason code FR or FT, will I be required to update my ISF ... ................
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