January 1, 2017, marked the start of the first performance year for the Merit-based Incentive Payment System (MIPS). And yet, the Centers for Medicare & Medicaid Services (CMS) is still working out the details for this new quality incentive program. The agency released on December 29, 2016, a Fact Sheet regarding the Advancing Care Information (ACI) performance category. Although it is mostly a rehash of previously-released information, this new guidance reveals important details.