b1d481f6_ess___Federal_Trade_Commission__ation_without_parental_consent
persistent identifier You can’t collect other personal information.
If you have actual knowledge that a person’s information was collected through a child-directed site, but their previous registration indicates the person is 13 or over This exception applies only if: you collect only a persistent identifier and no other personal information; the person affirmatively interacts with your site or service to trigger the collection; and you have already conducted an age-screen of the person indicating he or she is 13 or over.
Children’s Online Privacy Protection Rule: A Six-Step Compliance Plan for Your Business | Federal Trade Commission
Reason you may collect information without parental consent