> And the only way to prove that you checked is to keep the data indefinitely.
This is a false premise already; the company can check the age (or have a third party like iDIN [0] do it), then set a marker "this person is 18+" and "we verified it using this method at this date". That should be enough.
This is a false premise already; the company can check the age (or have a third party like iDIN [0] do it), then set a marker "this person is 18+" and "we verified it using this method at this date". That should be enough.
[0] https://www.idin.nl/en/