PRINCETON, N.J.--(BUSINESS WIRE)--Heartland Payment Systems (NYSE:HPY), one of the nation’s largest payment processors, today announced Digital Dining is certified by Heartland and together they are now offering an EMV-ready and Heartland Secure™ out-of-scope, point-of-sale (POS) solution to restaurants operating in the United States. As restaurants prepare for the Oct. 1 EMV liability shift, when all financial liability for counterfeit, lost and stolen card transactions shifts to the party who