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Legacy Mappings

These documents provide an inventory of DTCC legacy files impacted by the corporate actions transformation project, and their ISO 20022 message equivalents.

Mapping Legacy to DTCC New Model (780KB, .zip) (Updated July 13, 2010) - The Legacy File Mapping documentation provides mapping of data fields from legacy files to the corresponding data fields in the New Event Model. This can then be used to derive where the data reside in ISO 20022 message structure.