What are the requirements and experiences for obtaining an Extension of Stay based on Marriage in Thailand?

Visited Krabi Immigration for Extension of Stay based on Marriage. My income statement from Embassy was not enough, this to mistake on my side. I got the 60 days Extension to visit my wife. Got a new statement from Embassy who now add the tax refunds as income to my pension. Went again Krabi Immigration yesterday, all good even with a exchange rate of 38 Thb against 1 Euro. I have to bring extra copies of the first page and updated last page of Thai Bank book, officer explained that now the papers go for consideration to Bangkok in stead of Had Yai and Bangkok wants to see that you use a Thai bank if you live here. Already stamped with the 30 day under consideration stamp and will bring Monday the extra requested copies. Good service.