MS SB2608

Expands the definition of "certified historic structure" to include properties determined eligible for the National Register of Historic Places by the U.S. Department of Interior if they will be listed within 30 months of claiming the credit.

Allows taxpayers to claim the historic rehabilitation tax credit in phases if written architectural plans for all phases exist before work begins and completion is reasonably expected.

Permits unused tax credits exceeding a taxpayer's liability to be carried back one tax year and forward for 20 tax years (increased from 10 years), with refund options for credits exceeding $250,000.

Authorizes transfer, sale, or assignment of unused tax credits to other taxpayers with tax liability, limited to one transfer per credit, with notice required to the Department of Archives and History and Department of Revenue within 30 days.

Applies to taxpayers issued a certificate before December 31, 2024, or who receive written determination from the Mississippi Department of Archives and History before that date and are issued a certificate on or after December 31, 2024.