They do a colorblindness test. I have mild colorblindness that's not noticeable and doesn't interfere with me at all, but it makes it so that I can't pass that test. Sucks.
Mine took 13 days, but I think they may have been having issues with their system when I applied in November. Should leave plenty of time to be safe :)
The Ministry of Foreign Affairs website and the Thai airways website says you need either proof of vaccination or a PCR test + $50,000 covid insurance, but Trunk says you don't need anything, you only need to follow the airline and destination countries requirements.
I contacted Thai airways to see if they can clarify, but have not received a response.
×Get your flights (You're required to have proof onward travel, so be careful if you only have a one way ticket)
×Book a Test and Go hotel that includes airport transfer, Day 1 PCR and Day 5 ATK tests ( I was able to book mine on Agoda, but you can also find a list here:
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×Get insurance with $20,000 minimum covid cover for the duration of your stay
×Register all that information + your vaccination certificate with Thailand pass.
Also, if your holiday is less than 30 days you can arrive by visa exemption if you're a Netherlands passport holder so you don't have to worry about applying for anything in that regard.