Updates to the Electronic Correspondence Referral System (ECRS) Web User Guide v2.0 and Chapter 5
In March 2011, ECRS changed from a Customer Information Control
System (CICS) based application to a Web based application. As needed, changes are made to ECRS to
allow the contractors to correspond in a more efficient manner.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: August 05, 2011
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