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Transmittal 861 Common Working File (CWF) Requires More Space for the Health Insurance Master Record (HIMR) Auxiliary File Menu

Guidance for modifying the Health Insurance Master Record (HIMR) auxiliary files to allow for additional space to accommodate additional Auxiliary Files.

Download the Guidance Document

Issued by: Centers for Medicare & Medicaid Services (CMS)

Issue Date: February 18, 2011

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