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May 6, 2020

Common Working File (CWF) Dark Day for Annual History Archive

During the weekend of May 8, 2020, the CWF Hosts will be conducting a history archive. Due to the anticipated duration of this activity and to ensure the completion of the weekly processing and scheduled data center maintenance, Friday, May 8, 2020, will be a dark day at all CWF Host sites.

  • During the "dark day", May 8, 2020, the CWF eligibility systems, ELGA/ELGH and HIQA/HIQH will not be available.

    While the CWF Dark Days will impact your access to the CWF eligibility systems, it will not affect your ability to access beneficiary eligibility information through myCGS. In addition, the Interactive Voice Response (IVR) will be available. Medicare Beneficiary Identifier (MBI)/Health Insurance Claim (HIC) Crosswalk information will also be available. For more information about myCGS, refer to the myCGS User Manual.
  • There will be no claims processing delays. All files received from the Host sites will be completed prior to the start of the history archive.

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