You totally can, until someone challenges you and proves you don't; otherwise, common sense applies. A storage unit might have a legitimate interest in keeping license plate numbers but an ad company probably doesn't.
As with most things in law, there is no black-and-white. Just use your brain. If you feel like you can stand up to a judge and defend it with a straight face and no mental gymnastics, you're probably golden.
source: implemented GDPR in 2018 at a multi-national company and worked with attorneys around Europe.
You totally can, until someone challenges you and proves you don't; otherwise, common sense applies. A storage unit might have a legitimate interest in keeping license plate numbers but an ad company probably doesn't.
As with most things in law, there is no black-and-white. Just use your brain. If you feel like you can stand up to a judge and defend it with a straight face and no mental gymnastics, you're probably golden.
source: implemented GDPR in 2018 at a multi-national company and worked with attorneys around Europe.