These are filled in by the customer and then returned to the company for scanning using ICR (Intelligent Character Recognition) so that the system can produce the bills for the customer instead of the customer having to wait through a process, that could take some time. Earlier versions used punched cards, sometimes with mark sense technology, but nowadays, we use the internet to send payments to a credit card.
Customers input this information and then return it to the company for scanning using ICR (Intelligent Character Recognition) in order to produce the bills for the customer instead of having them wait through a time-consuming procedure. Earlier systems employed punched cards, sometimes with mark sense technology, whereas modern methods involve transmitting payments over the internet to a credit card.