Authorization Code For Credit Card Payment

Hello everyone,
At the beginning, I would like to appreciate all efforts dedicated for this professional software.

Today I would like to suggest an improvement which is I think very important. Currently payment form of CASH Or CARD has got no different unless reporting wise. As I'm using this software since long time, and from my experience, many staff sometime are clicking accidentally on card sale as form of payment while it supposed to be cash. Cash and Card have the same action once you click on them to complete the payment.

My suggestion is, since each card sale has got ( Authorization Code ), hence, once the cashier clicks on Card sale, a popup should come up asking to enter the Authorization Code that is showing on the ( Credit Card Slip - merchant copy ), doing so, will help to make sure that the transaction has been completed on the credit card machine, as well as on the software correctly without mistaken it with cash sale accidentally. Doing so, will help the cashier, if he clicks on Card Sale while it's Cash Sale, to correct himself by going back as he doesn't have the Authorization Code.

I would love to hear your opinions, and would love to see this development soon.

Thanks