The national security of the country in views of politic, religion, economy, and society.
2. The occupational opportunity of Thais and the demand of foreign workers as
necessary for the country development.
3. The benefits from granting work permission in particular occupations to foreigners,
such as large amount of foreign currencies brought by foreign investors for investment
and spend in Thailand, employment opportunities for a number of Thais, and skill
enhancement of Thais which acquired from technology transferring by foreigners.