Passport Entry requirements vary based on the form of passport you use for travel. Attestation is so essential for Kuwait visa You have to be pondering what's the demand for attestation for applying for Kuwait visa. Existing visas aren't automatically invalidated. American citizens who have regular passports do not have to have a visa to go to the UAE. Travelers can enter Kuwait by presenting a duplicate of their eVisa together with their passport. All nationals require passport valid for no less than six months ahead of expiration date.