I can not purchase this product because every time I try to add my tax number to the billing template, I receive a message saying that my TAX number is not valid.
Any help or suggestion will be highly appreciate!
Cheers
For shop or account related problems then you need to contact N.I. Support (all).
In case that you need guidance contacting support : How to contact NI Support and How to get in touch with our Customer Care .
In general then you'd want to be sure that you are logged into the correct country site (e.g. not using a VPN) and also check by try using other browser(s) with all cookies accepted and no extensions used. (including no add blockers).
