How to Split a Credit Card Payment

To split a payment between two credit cards, follow these steps:

Remember, IOUs are deposited to the business owner's merchant account.

Click Checkout.
Select the customer.
Add services, products, etc., to the cart.
Create an IOU payment.
1. Enter an amount in IOU.
  
  This will be the amount to charge to the second credit card.
Click Add next to the Credit Card field.
Click Use Card on File if the customer already has a credit card attached to the profile.

Click Use a Different Card to use another card.
Click Checkout.
Enter a comment, then click Yes.
To get a copy of the receipt, click Print Receipt.
Click Charge Card.
After checking out the partial payment, go back to the Checkout screen and select the customer again.

The IOU will display in the cart, and you can charge the IOU amount using the second credit card.