This function provides clients with DTC security eligibility, formal or legal issue descriptions, agent information and Corporate Action and Distribution event data. The file delivery consists of end-of-day activity or master files segmented by six DTC product types, specifically Equities, Corporate Fixed Income, Municipals, Government, Mortgage/Asset Backed, and Money Market Instruments. The descriptive and activity files are segmented by DTC Product types compiled from the DTC sub-issue types.