A work permit is a legal document that allows foreigners to work in Thailand. If you are a foreigner who wants to work in Thailand, you need to obtain a work permit before you can start working.

To be eligible for a work permit in Thailand, you must have a non-immigrant visa that is valid for at least 90 days. You also need to have a job offer from a company that is registered in Thailand.

Your employer will need to apply for your work permit on your behalf. The application process involves submitting various documents, including your passport, educational certificates, and medical certificates, to the Ministry of Labor in Thailand.

Once your work permit is approved, you will need to apply for a re-entry permit if you plan to leave Thailand and return to continue working. The re-entry permit allows you to leave and re-enter Thailand without having to apply for a new work permit.

It is important to note that working in Thailand without a valid work permit is illegal and can result in fines, imprisonment, and deportation. Therefore, it is important to follow the proper procedures and obtain a valid work permit before starting to work in Thailand.