I have a Non Imm O (Thai Spouse) multiple entry visa that I obtained in Australia before coming to Thailand. My question is can I do a border run and get a new entry stamp every 90 days or do I have to apply for an extension of temporary stay (TM7) within the first 90 days that I am here.

Others will have more up to date information.  I can only give my experience in Jomtien.  I also entered 19 months ago on a Non Imm.,  O visa based on marriage.  After 90 days I went to the Jomiten office and was told that I could not get an extension, I needed to leave the country and re enter, which I did then and a further 2 times before I then applied and was granted for a one year  extension of stay

Thanks Pilotman,

So was your visa that you entered Thailand 19 months ago also a multiple entry visa?

You can do either if you meet conditions for extension of stay (financials if male).  During the last 30 days of any entry you can extend for one year.  During the last 30 days of any entry you can extend for 60 days (one time) without financials.  You may cross border at any time for a new 90 day entry during validity of visa.  Some offices allow application up to 45 days early - you lose no time in doing early.

yes you can do 90 days border run.. just cross the border.. come back same day.. thats what im doing for 3 years now.. but you will get out of passport pages soon hehe

Edited February 12, 20197 yr by problemfarang