Business Change Impacts on System Integration

A. Taxpayer. IMSI contains corporate taxpayer data, which automatically creates IMSI cases that consist of one or more tax returns for the same taxpaying entity. Corporate data from ERCS (Examination Returns Control System) is the source for the IMSI repository. Tables are created which represent each of the following tax forms: 941, 1042, 1065, and 1120. Types of data collected: Taxpayer ID, TIN, Taxpayer Business ID, Business Name, taxpayer contact name, professional title; tax return exam ID and filing period; address; relationship; telephone number; percent of stock ownership by corporate officer.