Sorry if this is old hat, but I've searched past threads and am unsure of what's required.

 

I'll apply for my extension of permission to stay (based on original Non Imm O-A visa) at Chaeng Wattana next June.  I'll have seasoned 800K in my bank account.  What proof of address will I need to show TI?  Rental agreement plus a map?  Is there a TI form I'll need to complete?  (It's the same address I've been using for all my previous arrival forms and 90-day reports and the address on my bank account.)  Thanks.

You have it covered. I was at CW few weeks ago. Surprised when they asked for map. I had condo flyer with printed map. Some offices require a hand drawn map. Next year I indeed to take hand drawn, and flyer, and Google map print out. They can take their pic

2 hours ago, DrJack54 said:

You have it covered. I was at CW few weeks ago. Surprised when they asked for map. I had condo flyer with printed map. Some offices require a hand drawn map. Next year I indeed to take hand drawn, and flyer, and Google map print out. They can take their pic

I did my extension on the 4th this month, gave them a printout of google maps which they accepted, so I will be doing that from now on.It was my first time they asked for a map in the 15 years I have been doing the extension

based on retirement.

Thanks, guys.  But there's no form, no official document needed?

7 minutes ago, JTXR said:

But there's no form, no official document needed?

No form is needed unless you change your address.

OP here.  I just found a previous post by someone here, that had a checklist of "required" docs and included this:

 

Proof Of Residence:
- [ ] Signed copy from landlord of the Tabian Baan
- [ ] Signed copy from landlord of his Thai ID-Card
- [ ] Signed copy of rental contract
- [ ] Original rental contract **
- [ ] Map to your residence (must be hand-drawn) ***
- [ ] Photo of applicant with house number ***

 

Other than the map and the rental contract, are any of these actually needed at CW?

 

If you've been doing arrival & 90 day reporting (as you state in your OP), you SHOULD have a TM30 receipt stapled in your Passport.  This is all you need.

If you've lost that, then it's probably best to take some other documents as you've suggested in the post immediately above.