Originally Posted by D582

Very unlikely due to the challenges of deploying a fully integrated system with Interac (It's not impossible, (Wal-Mart did it) but for many merchants it is not worth the cost).

Even prior to EMV in Canada, many merchants who had fully-integrated credit card processing had a semi-integrated or stand-alone setup for Interac, and just moved to that model for EMV. Almost no PCI compliance or EMV certification costs.

It's also important to point out that 'semi-integrated' does not always mean at a hardware level. In many instances, it is essentially a middle-ware software layer running on a different system that is not part of the POS and interfaces through an API.