Thailand imposes an income tax on the Thai-sourced income of both resident and non-residents individuals, regardless of whether such income is paid in or outside of Thailand. Residents are also subject to income tax on foreign-source income that is paid in or remitted to Thailand. The maximum tax rate applicable to both residents and non-residents is 37 percent.
Income derived from a duty, post, employment, or office performed in Thailand, from a business or an employer’s business carried on in Thailand, or from property located in Thailand, is regarded as income earned in Thailand.
An individual, resident or non-resident, who derives assessable income from his/her employment in Thailand, is subject to personal income tax on the whole amount related to his/her employment in Thailand.
The official currency of Thailand is the Thai Baht (THB).
Herein, the host country refers to the country to which the employee is assigned. The home country refers to the country where the assignee lives when he/she is not on assignment.