Tax Computation Software

The requirement is for a Commercial off the Shelf (COTS) product that computes U.S. federal, state and territory withholding taxes, following rules set by the IRS and state/territorial authorities for all service members (active and reserve). This shall include multiple types of pay entitlement. The software shall provide accurate federal income tax withholding and state income tax withholding (FITW/SITW) computations for service members to include retroactive calculation of withholdings in prior years. There should be no limitation on the number of tax calculations that can be performed. Retroactive calculations shall be available for at least one year prior.  Localities are not in the scope of this requirement.  Software shall have reporting capabilities. The Government requires reports to reflect tables/rates that are currently loaded in the system.

Maintenance shall consist of product patches, upgrades, updates, corrections, etc. Technical support shall be required on a 24x7 basis for operations/production.  In order to ensure proper knowledge and understanding of the software, system/implementation documentation shall be provided. Software must operate within the existing government environment. Must be compatible with IBM mainframes (Z Series Operating System (Z/OS)) executing primarily COBOL programs (COBOL LE), Computer Associates® (CA) ACF2 and TSS software.