A version of this article appears in print on Jan. 15, 2024, Section B, Page 3 of the New York edition with the headline: A.I. Takes Over for Humans at Sam’s Club Receipt Check.

Also, 4,000 cheques out of 8,000 are yet to be enchased. "The number is strange and shocking. It's also a fair practice that we issue a tax-paid receipt only after the cheque has been realized.