Non-B Extension Regulations
This information has been updated by Sunbelt legal advisors on February, 2011
In order to extend a Non-B visa for one year certain requirements must be met:
- Valid Non-B visa
- Valid Thai work permit
- Minimum salary per nationality (see list below)
- Four Thai Employees (4) per permit
- Must have 1 million baht in net equity and registered capital of 2 million baht:
- Must show revenue in the previous year to cover the salary of all the foreign employees. The company must submit year end profit and loss account inspected and certified by a certified accountant. The total revenue must show an amount higher than the total salary and benefits paid to the employee.

Required Documents:

• Application form.
• Copy of Applicants passport.
• Certificate of employment prepared in accordance with Immigration Bureau regulations.
• Copy of Work Permit.
• Proof of corporate formation; certificate of incorporation of company or partnership certified by the Registrar in the last 6 months.
• List of shareholders certified by the Registrar within the last 6 months and the Department of Business Development.
• A copy of latest balance sheet and income statement, corporate income tax return (Por Ngor Dor 50) and receipt. Copy of Sor Bor Chor 3. Must be certified by the Revenue Department or the Department of Business Development.
• Copy of last 3 monthly withholding tax returns showing the name of the employee and the alien applicant, together with receipt. Must be certified by the Revenue Department.
• Copy of latest personal income tax return and receipt of applicant, must be certified by the Revenue Department.
• Copy of last 3 monthly social security contributions filed with the Social Security Office (Form Sor, Por Sor 1-10) and receipt, must be certified by the Social Security Office.
• Copy and receipt of last 3 monthly Value Added Tax (VAT) returns (Por Por 30 or Por Por 36), they must be certified by the Revenue Department.
• Proof of the need of the business to employ the alien ie. No Thai candidate has applied after advertising the position.
• Location map of place of work.
• Other supporting documents that may be required by the appropriate authority (Sor Sor Mor 2).
• Map showing location of business together with photos of the exterior of the building, with the address and company sign in the photo, and photos of the interior showing the employee working.
• If the applicant is accompanied by family their marriage certificate and birth certificates of any children must be provided. If they are provided by a foreign government they must be certified by the Embassy.

You must have a valid Thailand work permit to apply for a one year extension of stay permit. Your employer must also pay the minimum required salary for your nationality. In addition to the minimum salary requirements, your employer must have 4 employees of Thai nationality for each extension of stay permit.

However, the following businesses are exempt from the 4 Thai employees to 1 foreign employee ratio and require only 1 Thai national employee to 1 foreign employee:

• International Trade business (Representative Office)
• Regional Office
• International companies (Branch office)

Minimum Salary Requirements per Nationality

• European Countries, Australia, Canada, Japan, and U.S.A. Baht 50,000/month.
• South Korea, Singapore, Taiwan and Hong Kong Baht 45,000/month.
• Asian Countries, South America, Countries in Eastern Europe, Countries in Central America, Mexico, Turkey, Russia and South Africa: Baht 35,000/month.
• African Countries, Cambodia, Myanmar, Laos and Vietnam Baht 25,000/month.

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