[header] How to ask for identification (id) in us [title] Know/understand all rules/laws pertaining to these sales. [step] Every store within every state is going to vary when it comes to their rules/laws. It's important to understand these before you sell. 
Ask your manager if you're unsure what yours are. [substeps] Most state/federal law requires a customer to look at least 27 or older to not be carded.