As I will apply for non-O retierment visa around 20. july.
My flight arrive 25.september in BKK.
This should mean that the 1 year extention must be done before 25.desember.
However,I would most likely be best off using income certificat from 1.january/25.
If I could get 2 or 3 weeks on Visa exempt before using the retierment visa it would make things a lot easier I think. Although I already have stayed total of 46 days on 2 visa exempt entries this year.
(reason for not waiting til 1.august to apply for the non-O retierment visa is that I want to be sure I got a Visa before cancelling the lease on my apartment.)