ID Scan at Grocery Chain

Went to buy some wine. Clerks asks for ID. Without even asking or telling me what was about to happen, she scans my ID. I asked for a manager. When the manager came, I asked him where I could find the privacy policy outlining how this information is used. He looked at me like I'm some nut wearing a tinfoil hat and told me that he doesn't need my permission to scan my ID. He told me to check with …

asking find grocery information manager permission policy privacy privacy policy scan scans