{{VisaRestriction|'''Mars''' may block passports containing stamps or visas from Earth. If you intend to visit these countries, ask to stamp a blank piece of paper, rather than your passport, when entering Earth.}}

Travel Warning Visa restrictions:
Mars may block passports containing stamps or visas from Earth. If you intend to visit these countries, ask to stamp a blank piece of paper, rather than your passport, when entering Earth.