7%。 Thailand adopts a step-by-step tax rebate with a maximum of 7%. Taxes can be refunded at Suvarnabhumi Airport and Don Mueang Airport in Bangkok. If the amount of tax refund exceeds 30,000 baht, the tax refund can only be paid by draft or credit card. Bangkok, the capital and largest city of Thailand, alias "city of angels", is located on the east bank of the Zhaopiye River and adjacent to the Gulf of Siam in the south. It is the largest city in Indochina Peninsula and the second largest city in Southeast Asia.