How do I link my Cash Rewards credit card to my Ultimate Growth Checking?

Frequently Asked Question
Your Cash Rewards credit card will automatically be linked to your Ultimate Growth Checking Account as long as they are both on the same unique account number. All of your accounts with Citadel will be visible to you in Online & Mobile Banking. Depending on your tier, you'll automatically earn an extra boost to the cash back you receive on purchases made with your Cash Rewards Mastercard®.