On receipt of an Into-bond, this advice slip is prepared in triplicate (two plus one, instructing the supervisor to de-stuff the cargo from cargo-laden container or Less than Container Load (LCL) from truck. This slip is furnished with certain relevant warehousing details given in each Bill of Entry (BE) for Warehouse. First two copies of each bond/slip is handed over to the Supervisor and the third copy is retained as the book copy for the internal audit.