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system
why don't some places require a credit card receipt signature, and some do?
user
this is basically done to reduce costs and overhead, with agreement of the credit card issuers. when the card is physically present and the charge is low, the burden of keeping the signed receipts and of additional delays at the cash register is not worth the potential risk of fraud. depending on the location and the specific charge-back history of the business, the limit above which signature is required differs. in one supermarket in the area i live they require signatures only on charges above $50. in another, 10 miles away from the first one, they require signatures on charges above $25.
assistant