Update CWF MSP Auxiliary File

40.2 - Update CWF MSP Auxiliary File (Rev. 11550; Issued: 08-12-22; Effective: 10-13-22; Implementation:10-13-22) When an A/B MAC and DME MAC has identified a beneficiary under §40.1.2.1 and the A/B MAC and DME MAC has notified the beneficiary in writing that Medicare does not pay for services obtained outside of the plan or there is information that the beneficiary was previously notified, the A/B MAC and DME MAC must update its internal system to show that the beneficiary is a working aged, ESRD, or disabled beneficiary and belongs to a managed care GHP and that the beneficiary has been notified that Medicare will not pay. This is accomplished by entering the following information in remarks: “Working aged, ESRD, or disabled beneficiary belongs to a managed care GHP. Medicare will not pay.”