Example:
A HOA (home owners association) that owns a private park may use an AI fence to ensure that all visitors are members or approved guests of members.
A tenant agreement may stipulate that all common spaces inside a building are subject to AI de-anonymization.
A music venue may collect explicit consent to AI de-anonymization as part of a ticket purchase.
A government agency may post a prominent sign that voluntarily entering a parking lot is considered consent to de-anonymization (with the specific statute cited).
A home owner may post a sign that any visitors approaching the door will be de-anonymized.