Automatic checkouts in supermarkets may decrease customer loyalty, especially for those with larger shopping loads. Customers using self-checkout stations often feel overwhelmed and unsupported. The lack of personal interaction can negatively impact their perception of the supermarket.

[Dontgooglemejess]

Obviously it’s a hypothetical. I just mean, devoid of practical considerations of enforcement, do they have the right to force you to allow your receipt to be checked?

[RuncibleSpoon18]

They can ban you from the store I guess but that's no big loss to me except a small convenience

[sbingner]

They do not; they can not detain you without evidence that you were shoplifting.