SECTION13. GRANDFATHEREDHEALTHPLANS GrandfatheredPlans Intheemployer-sponsoredmarket,healthplansthatwereinplacewhentheACAwasenacted(March 2010)canbegrandfatheredhealthplans. DepartmentofHealthandHumanServices(HSS)rulesstipulatethatfirms cannotsignificantlychangecostsharing,benefits,employercontributions,oraccesstocoverageingrandfatheredplans. Newemployeescanenrollinagrandfatheredplanaslongasthefirmhasmaintainedconsecutiveenrollmentinthe The Kaiser Family Foundation and Health Research & Educational Trust / Page 207