> Google makes billions worth of business in the EU and yet they deem that Google doesn't have "sufficient taxable presence to justify the bill".
From Ireland. Where it pays (some) tax.
> I would like to know what are the exact terms that specify what is a "sufficient taxable presence to justify the bill", since nothing seems to fit the description.
Single market means that a company in Ireland can sell to anyone in the EU, and pay Irish taxes[0]. Its one of the basic tenants of the single market.
0 - This is changing with newer VAT rules, which mean that you pay the VAT of the country you sell the goods / services in, but they were not in effect during the period that this lawsuit covers