142.16—Entry summary documentation.
(a) Entry summary not filed at time of entry.
When the entry documentation is filed before the entry summary documentation, one copy of the entry document and the commercial invoice, or the documentation filed in place of a commercial invoice in the instances listed in § 141.83(d) of this chapter, shall be returned to the importer after Customs authorizes release of the Merchandise. The importer may use these documents in preparing the entry summary, Customs Form 7501, and shall file them with the entry summary documentation within the time period stated in § 142.12(b). The entry summary documentation also shall include any other documents required for a particular shipment unless a bond for missing documents is on file, as provided in § 141.66 of this chapter.
(b) Entry summary filed at time of entry.
When the entry summary documentation is filed at time of entry, the documentation listed in § 142.3 shall be filed at the same time, except that Customs Form 3461 or 7533 shall not be required. The importer also shall file any additional invoice required for a particular shipment.