PaySystems is simple:
1. Make sure to enable Credit Card as a payment option.
2. Go to CC/ACH Processing and set Credit Card to PaySystems. Click continue.
3. Enter your company ID. Update settings.
4. Go to Credit Card Types and add a fourth credit card type: DISC and make the description "Discover/Novus". Leave the CVV2 checkbox UNchecked.
That's it!
