149.6—Entry and entry summary documentation and Importer Security Filing submitted via a single electronic transmission.
If the Importer Security Filing is filed pursuant to § 149.2 of this part via the same electronic transmission as entry or entry/entry summary documentation pursuant to § 142.3 of this chapter, the importer is only required to provide the following fields once to be used for Importer Security Filing, entry, or entry/entry summary purposes, as applicable: