Cargo Release

District/Port of Entry 4N 5 8 C District/port of entry. Entry Filer Code 3AN 9 11 M A unique code assigned by CBP to all active entry document preparers. Filler 2X 12-13 M Space fill. Reserved filler for possible future expansion of Entry Filer Code and/or Entry Number. Entry Number 8AN 14 21 M The number assigned to the entry. ................
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