I'm not visa expert, I'm educated about Visa options as of my interest to get the long one since a year... Tod mentioned Visa points where you have to register for it, and follow requirements there.
For LTR possible within country, as well preferred to get the LTR stamp in Bangkok as I see... and they are really helpfull in email, they answered all my questions how to prepare documents and what I need to make sign with my employer (if they wish to sign, that is a bitter question now for next 2 weeks... or I go with DTV)
thanks I think half way that is it, as I give that address everywhere now already in case of "need", just as not having anything on my name, not any bill that is not really a proof. Europian proof of address the strict one is from governent a paper about whereabout addresses per time (like for has to prove legal procedures territory allignments, like marriage/divorce legality of addresses of the two person involved), soft version a bill: electric, phone, gas etc...
Maybe my Spotify bill is still on that address since 10+ years 😃 if accepted.
When I asked Thai visa from Swiss-Thai embassy, but for EU passport, then they accepted even to add my swiss ID card to prove they are the one who should handle the case...
I think I quickly ask out LTR or DTV till end of month to avoid issues living without address... I started collecting requirements for LTR, may move to DTV now...
If someone is so digital nomad that does not have any more residental address (have multi passports), how can handle it, when asking proof of residence and addresses?
What is the situation if there is a permitted stay After March 26th like till May and there is this COVID pendig request from there?
Should we go to finalize this stamp in this case as well? (Or as other previous stamp quality for automatic extension does not need this unnecessary run - considering new order to auto extend will be in law soon to extend till end of July)