meaning when you go with your license (Irish in this case) you get a Thai one and keep both, you don’t do any test other than colour, sight range and reflexes. You get a conversion and keep both.
not everyone understands lac or lakh however you want to spell it, you might want to correct it into 150k 200k etc as you did spend a lot of time in the comment that is definitely useful.
in this situation he will not get an extension without an agent, as they will check one year of transactions. Moreover even if he had done everything correctly he should have deposited the 800k two months before and three months after then the balance should not have dropped below 400k excluding the 65k. Switching method is extremely complex.
If you are AIRE get your passport renewal here at the embassy, you get the appointment online and can get it done in half an hour and the embassy will give you a letter for the extension of stay transfer (if you are on one) if you are not AIRE you can still get it done here it might take a little longer as they will have to get the nulla osta from your city of residence. Still it’s faster that doing it in Italy as the time nowadays to do it in Italy can be months and having to enter with two passports one of which damaged.
For admins, I appreciate this is an English group but the question is very italian related in terminology that’s why I wrote it in italian.