@Isabelle ********
I had the same requested documents so you must authenticate the business license of the company you work with along with your work contract at the chamber of comerce where the company located and also in the MFA of that country, you can do that online through any notary in that country
Nm 7 you can call this agency located in chang Mai you can pay one month rent fee arround 120 EUR and you get an official lease contract (+66617903030).
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0).
The other requirments are easy to do