"The deficiencies in internal controls that we identified may have limited the marketplaces' ability to prevent the use of inaccurate or fraudulent information when determining eligibility of applicants for enrollment in QHPs.... These deficiencies occurred because [1] the marketplaces did not have procedures or did not follow existing procedures to ensure that applicants were enrolled in QHPs according to Federal requirements or [2] the marketplaces' eligibility or enrollment systems had defects or lacked functionality."  MORE >>