General Declaration requirements specify vessel, crew and passenger data submission for customs arrival processing and clearance. The document prescribes the General Declaration as Form III under customs regulations, requiring submission on arrival of shipping line and agent details, authorized carrier code, ship name and description, port and expected arrival time, nationality, master and registry certificate particulars, ship's agent contact, gross and net tonnage, and the numbered lists and counts for crew (including master) and passengers to facilitate customs processing and arrival clearance.