Immigration counters at airports are where officials check documents of people entering or exiting a country. Some countries issue landing slips instead of stamping passports. Outbound tourists are people traveling to another country for less than 180 days for leisure, business, or other purposes. There are multiple types of immigration like internal and international, as well as different counters like domestic, foreign, business class, and others. Travelers must have documents like passports, visas, return tickets, and proof of accommodations and funds. At immigration areas, passengers are split into multiple lines and must wait their turn, not use phones, and can use special services. The immigration process involves document checks, questions, tests, and possible secondary inspections