What are the procedures for a 90-day report and applying for a 1-year Extension of Stay at Khon Kaen Immigration?

Went to Khon Kaen Immigration Today, for me a 2 hour drive. I arrived at 11:30 and had number 53. 4 desk working and nobody else waiting but nr 46 was on the screen. One desk finished and the girl just pushed the button till 53 when i stood up. 5 minutes later 90 day report done, I asked the hand out for the 1 year Extension of Stay, she looked in my passport and said you should now, you did multiple times before in Krabi, I answered with a smile, yes Krabi but this in Khon Kaen and I like to know your rules, don't want to drive 4 hourse for nothing. She smiled, got a paper, it is only in Thai, but your wife can translate. Thanks very much, quick visit within 10 minutes I had an nice Ice Coffee next door.