Inventory Validation List (IVL) A list of accounts currently on the AIMS data base. The purpose of validating inventory is…
Invalid Segment That part of the Individual Master File that contains Social Security Numbers or names that do not match…
Invalid Number Taxpayer’s name and Social Security Number do not agree with the SSN furnished or do not match Social…
Integrated Data Retrieval System (IDRS) A computer system with the capability to instantaneously retrieve or update stored information. IDRS works…
Installment Agreement Record A record in IDRS containing installment agreement information. Integrated Data Retrieval System (IDRS) - A computer system…
Installment Agreement Record A record in IDRS containing installment agreement information
Input Document Those documents which contain information to be fed into the computer, such as tax returns and posting vouchers.
Individual Validation Listing (IVL) A listing of cases in AIMS inventory grouped by source codes.
Individual Master File (IMF) A file containing information about taxpayers who file individual income tax returns (1040 series) and related…
Housekeeping Basic system operations that ensure consistent data processing. This can involve printing reports and generating and verifying system information.