[jopsen]

Well, it's hard to know the details.. But in the EU these kinds of incentives are generally illegal. As they are anti-competitive.

Which is also why we see the EU go after Ireland and require that they collect taxes from Amazon :) I recall Vestager starting to get the ball rolling a few years ago.

[sokoloff]

Companies negotiate tax treatments of contemplated activities all the time ahead of time with individual EU member states.

https://www.duijntax.com/en/advance-tax-rulings-negotiations as just one example reference I could quickly find.