Google certificate of tax residence
Hi @Mané M,
You can find tax related information specific to your country at this URL https://support.google.com/adwords/answer/2375370?hl=en
However, if it does not help, the best would be to contact AdWords phone support.
About Me: Community Profile | Ratan Jha INC.
If this or any other post solved your question, do not hesitate to accept it as the solution.