TIT I think.Just applied at Samut Songkhram IO for 90 day visa(non O retirement).All documents were ok accept that they dont accept the legalised affidavit from the Belgium Embassy(I am Belgium nationality).They said they only accept a certificate of income like the Swiss Embassy give you.Letters from the bank with my last 2 deposits from abroad(my pension)+65000 Bath monthly were also with my documents.What can I do before I book a return trip to Savannaket?????Anyone have suggestions?

from a FB live Q & A with the Swiss Ambassador today:

Embassies incl. EU, US, Canada agreed with Thai Immigration that "Embassy letters" would no longer be needed for further visa extensions of their citizens.

This information was given in the context of Swiss citizens and is therefore not official for the other countries mentioned.

If an Immigration office still asks for such a letter from a Swiss citizen, the Swiss Embassy will provide it free of charge but exceptionally only if the same person already paid the Swiss Embassy for a previous letter. Usually, the Swiss Embassy charges a fee for such letters.

German original from 41:05, English version from 45:27:

[[members only])