Special Economic Zone import procedure: Bill of Entry endorsement permits transfer after seal or mark verification, with custodian handling options. Imports into Special Economic Zones require filing a Bill of Entry for home consumption with a special endorsement and assessment by the Authorized Officer; the registered or assessed Bill of Entry, endorsed by that officer, serves as permission to transfer goods to the Special Economic Zone, with sealed full container loads admitted after seal verification and less-than-container-load cargo subjected to mark-and-number verification at entry or subsequently at the Unit or custodian, and the fifth copy of the Bill of Entry acknowledging receipt completing customs out-of-charge formalities.