This was the part if the reason for my post they don't need to see the original certificate. The handout of their requirements does not even mention health insurance certificate at least not the one I saw. I only found out about the requirement because I asked an IO there.
I have fixed BK bank account with 800K in it and used it for my retirement extention this year. It was accepted by Immigration. This was Chiangrai Office.
I like the way this group operates. It keeps the answers short and to the point. It has helped me tremendously over the last 18 months. Just ignore the people who are moaning. No one has yet to have come up with a simple practicable way to change things without it becoming impossible to manage. You have your own lives to lead. Rant over.