The federal agencies with regulatory authority under the Affordable Care Act (ACA) have published numerous regulations and related guidance since April to help employers that sponsor group health plans navigate implementation of the healthcare reform law. This CAB briefly describes key guidance from the Departments of Treasury (IRS), Labor (DOL), and Health and Human Services (DHHS) released Apr. 1-Sept. 30, 2013 and applicable to group health plans and insurance in plan/policy years that begin in 2014.