SB 1377 - This act provides that a taxpayer that has paid a deficiency and any interest, additions to tax, or penalties attributable to such deficiency that is subsequently found to be erroneous, regardless of whether such taxpayer has timely filed a protest with the Director of Revenue, shall be entitled to a refund in the amount of the deficiency and any interest, additions to tax, or penalties attributable to such deficiency that were paid by the taxpayer. Such refund shall be paid as provided in current law. This act is identical to a provision in CCS/HCS/SB 994 (2026). JOSH NORBERG

SB 1377 revises Missouri procedures for correcting erroneous state tax assessments, potentially affecting taxpayer refund rights and revenue agency processes.