Medicare HETS UI Internet Eligibility Users:
CMS announces that it will perform data center maintenance on Sunday, June 23, 2013. The maintenance window will begin at 12:00 AM (Midnight) ET on Sunday, June 23, 2013. The HETS UI Internet Eligibility system will be unavailable during this period. Attempts to open a session will result in errors. CMS estimates that the maintenance will be completed by 2:00 PM ET on Sunday, June 23, 2013.