i have a non-b visa valid for three months with work permit valid for 1 year.

After 3 months, how can i extend my non-b. Do i need to leave country again or i simply can do going to immigration?

Thanks for help !!!

There are options depending upon your circumstances.

The easiest way is to apply for 12 month extension of stay based on employment if you meet the financial criteria (salary c.50k per month for westerners, but does vary depending on nationality) and your employer can produce financial accounts for the last 2 years. Talk to your employer who should help you with your application to immigration. Fee 1,900 baht. Thereafter you would have to report your address to immigration every 90 days, but with most immigration offices that can be done by post.

If you are unable to obtain extension of stay based on employment then if you have a multi entry visa you can do a border run before your permission to stay expires, and on re-entry you will get a further 90 days permission to stay assuming visa is valid. If you have a single entry visa you will have to obtain a new visa from a consulate in a neighbouring country and you will obtain 90 day permission to stay on re-entry.

Edited September 9, 200916 yr by thaiphoon

There are options depending upon your circumstances.

The easiest way is to apply for 12 month extension of stay based on employment if you meet the financial criteria (salary c.50k per month for westerners, but does vary depending on nationality) and your employer can produce financial accounts for the last 2 years. Talk to your employer who should help you with your application to immigration. Fee 1,900 baht. Thereafter you would have to report your address to immigration every 90 days, but with most immigration offices that can be done by post.

The employer must help! On your self you will not be able to do all the needed paperwork for that. It is a pile of more then 1 cm needed documents!

Almost same amount of paperwork to get a Multiple Non-B in KL.

For the multiple entry non-B you will not have to show:

1. 50.000 baht/month income for westerner.

2. Four employees, paying taxes and social security.

3. Two years of audited balance sheet.

4. VAT payments.

There are options depending upon your circumstances.

The easiest way is to apply for 12 month extension of stay based on employment if you meet the financial criteria (salary c.50k per month for westerners, but does vary depending on nationality) and your employer can produce financial accounts for the last 2 years. Talk to your employer who should help you with your application to immigration. Fee 1,900 baht. Thereafter you would have to report your address to immigration every 90 days, but with most immigration offices that can be done by post.

The employer must help! On your self you will not be able to do all the needed paperwork for that. It is a pile of more then 1 cm needed documents!

I correctly used the word SHOULD because employer help is conditional - conditional on the company having been trading for 2 years to provide financial papers to support extention of stay application. Maybe the employer can't do that. The rest of my post detailed alternative options if the employer is unable to help.

All the above applies if you are working for a company.

If the OP is teaching none will apply.