pdf Cost Basis Reporting Service (CBRS) Supplemental Guide for Mutual Funds (2.78 MB)  focuses on the transfer of cost basis information for mutual funds between reporting brokers. It is supplemental and should always be used in conjunction with the DTCC CBRS User Guide.

Please note that the DTCC CBRS User Guide under the Cost Basis Reporting Service (CBRS) section of Equities Clearing serves as the primary document governing the use of CBRS and must be consulted for additional details regarding the basic use of the CBRS system.

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