What are the key lessons learned from the retirement visa extension process in Chiang Mai?

A Report on Chiang Mai. My first 1 year retirement extension of 90 day Non-0 RE.

29 April. Entered 9:30am, finished 3:30pm.

2 things encountered.

My wife's transaction record from Green Kasikorn Bank, printed in black and white only had a blue stamp on the last page and the Checking staff did not see it. She asked, where is the original?

So during lunch we went to the Green Bank where we had the original print out and asked them, can they print it on color letterhead like the bank certificate?

They said, no this is the original, and showed us the blue stamp on the last page. We asked, Can you put your blue stamp on every page for immigration? They did.

Lesson.Make sure that the bank transaction has stamps on every page in color.

Inside the building, the staff asked to see my original Bank passbook. Because the 3 months transaction record contained more data than my passbook update, they asked, where is your old passbook, do you have it.? I didn't have it on hand, it was at the house. Fortunately they accepted my application.

Lesson. If your bank Passbook has changed within the last few months then bring the old one in case they ask for it.