Does anyone have an up to date, English language list of requirements needed by Jomtien immigration for a 1 year extension of stay based on marriage to a Thai?

I've just been in and all they have is a list printed in Thai which seems strange as surely everyone who wants to apply will be non Thai?

With the best will in the world this isn't something my wife could confidently deal with.

On Monday I will go to CW to apply for a 12month extension to my Marriage (O) Visa. For the Bank Guarantee document (and printouts) showing 400k, must these be dated on the same day as the application, or is 2 or 3 days before acceptable? One issue for me is that SCB no longer have a branch at CW and I have to wait for nearby branch to open at 8.30am which causes delay in getting a queue number (assuming there is a long queue). Thanks in advance.