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Michigan Business Tax

C09. How are existing SBT credits, or those awarded but not yet certified, handled under the MBT?

An unused carryforward from an SBT credit may be applied against the MBT liability for the 2008 and 2009 tax years only, unless specified separately. For the Michigan Historic Preservation and Brownfield Credits, an unused carryforward can be claimed against the tax imposed under the MBT for the same years the carryforward would have been available under the SBT.

For Brownfield credit purposes, the MBT allows a taxpayer that received a preapproval letter prior to January 1, 2008 under the SBTA to receive a certificate of completion and claim a credit against the tax imposed by the MBTA, provided that all other requirements are met. See MCL 208.1437. A similar provision for the Historic Preservation Credit allows a qualified taxpayer that has a rehabilitation plan certified before January 1, 2008 under the SBTA for the rehabilitation of an historic resource for which a certification of completed rehabilitation has been issued after 2007 to claim a credit against the tax imposed by the MBT. See MCL 208.1435.

Because the MBT provides for historic and brownfield credits for projects initiated prior to January 1, 2008, Public Act 240 of 2006 does not apply. PA 240 provided that a brownfield or historic rehabilitation project approved before 2007 and completed after that year could be claimed as a credit on an amended 2007 SBT return unless the credits may be claimed "for a tax year that begins after December 31, 2007 under any other tax act ."