Mississippi Administrative Code
Title 35 - Department of Revenue
Part 10 - Economic Development
Chapter 02 - National or Regional Headquarters Credit and National or Regional Headquarters Relocation Tax Credit
Section 35-10-02-111

The total of the Jobs Tax Credit, the National or Regional Headquarters Credit, the National or Regional Headquarters Relocation Credit and the Research & Development Skills Credit is limited to fifty percent (50%) of the Mississippi Income Tax liability. The unused portions can be carried forward for up to five (5) years from the original year in which the excess credit could not be used, but you may use the oldest year's unexpired credit first. They may be used in combination with any of the other credits. The credit is not refundable.