Hi, I have a Non-Immigrant O-A I obtained in Australia.
The visa is stamped as "Enter before" 18/4/19, I first used it on 12/6/18. Ive been in and out of the Kingdom regularly with my last stamp stating "admitted until 16/04/20". The Immigration Officer at Suvarnabhumi told me I need to get a new visa.
This is my first Non-Im OA, What do I need to do to get this Visa extended or renewed and when?
Minor edit for date