RealBobocoinmagic

Oh yes you are right! I had an extension of stay based upon attending school. 

Thank you, i asked my school already and they said they will prepare paper for me.

Hi!

I recently went to immigration to extend my TR-visa,

but they denied my extension saying that there was an issue with my ED-visa from about 2 years ago.

They say that my old ED-visa was never cancelled and that they will not extend my current visa until I cancel my old ED-visa.

I never even knew I was supposed to cancel my old ED-visa, because it expired and I left the country at that time. 

I study everyday I was supposed to and never skip class.  

- Does anyone know if I will have to pay the 500 bath/day "overstay penalty charge", since I didn't cancel the ED-visa in the correct way?

(I left Thailand just before my ED-visa expired, so I didn't actually overstay)

- How does everyone know they are supposed to cancel ED-visa?

I never heard/read anything about that before, and my old school never told me anything about it...