Importer security filing required
(a) Importer security filing required. For cargo arriving by vessel, with the exception of any bulk cargo pursuant to 149.4(a) of this part, the ISF Importer, as defined in 149.1 of this part, or authorized agent (see 149.5 of this part) must submit in English the Importer Security Filing elements prescribed in 149.3 of this part within the time specified in paragraph (b) of this section via a CBP-approved electronic interchange system.