If you don’t want ( No time ) to leave the country ( Thailand ) , we can assist you to extend for 30 days, 60 days, 90 days etc. Typically a person fills out an Entry card before landing in Thailand. An Entry stamp is granted for 30 days if arrival by air for Citizens of most European countries and 15 days if arrival through a boarding country. A 7day extension can be obtained by visiting an immigration office. A visitor can do three, 30 day entries in a 6 month period. Work is prohibited. Visitor must have a return flight or onward ticket and passport must have at least 6 months validity.