NCL Consumer Advice: FOR EMBARKATION/RE-ENTRY INTO THE US: US/CANADIAN MUST CARRY DOCUMENTARY PROOF OF CITIZENSHIP. REQUIREMENTS VARY AND GUESTS ARE RESPONSIBLE FOR VERIFYING THEIR REQUIREMENTS. OTHERS MUST CARRY VALID PASSPORTS AND VERIFY THEIR VISA REQUIREMENTS FOR EACH DESTINATION. GUESTS WITHOUT PROPER DOCUMENTATION WILL NOT BE ABLE TO BOARD. TERMS AND CONDITIONS ARE IN THE NCL BROCHURES AND ARE ALSO AT http://www.ncl.com