Yes
Staff at the branch will have no idea.
In their desperation, they (or you) will call the call center. Call center will have no idea. After about 30 minutes on the phone, call center may find someone who has heard the letters "CRS" and who will tell you something that's most probably wrong.
Hints:
They all know FATCA. They will ask you if you are American. If you are not, they say it doesn't apply to you - wrong (if you are American, you are f...d). CRS applies to many farang.
Unfortunately, the people in the bank who deal with CRS are the team FATCA. And these guys don't talk to customers.
I
Normally not.
They will ask again.
They really have to do this, late a bit ( like a year or 2) is ok, but not forever
The bank has to ask people if they have reason to assume they have a foreign tax residency.
Somchai from Ban Nadi in Surin? No.
Tony? Yes, in theory.
Yes, if your account has been opened recently - if the branch would have known. It probably didn't know and didn't care.
Yes, its part of CRS.
Very common.
People rent condos (and pay deposits) like this.