Just revert to 30 day visa free with 30 day extension at local immigration 1900 baht sorted. If it happens.

Check in and security that's all

1st time should be ok

@Matthew ********

Vientiane is in Laos not Vietnam

If near airport fly Vientiane get 60 days on return

Do a border run get 60 days

Went nong khai couple weeks back second border bounce got taken in supervisors office he just kept shaking his head shouting why you stay Thailand long time lucky my missis was with me eventually calls her in she spoke to him and he stamped my passport let me go told me don't come back nong khai about 80 % of people where sent to office or to pay money to get in to Thailand. Only my second time never done before won't again.

Extention 30 or border bounce 60

Get bus ticket to Laos nong khai friendship bridge

@Paul **********

correct gave me another 2 year as no visa