Scammers are contacting taxpayers while pretending to be from the Michigan Department of Treasury, using out‑of‑state phone numbers. They may request payments or attempt to trick you into providing your bank account information. Always verify the source before sharing any personal or financial details.
Interest Rate Due on Underpayments and Overpayments
Interest Rate Due on Underpayments and Overpayments
Interest Rates
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Current Interest Rate
Period: January 1, 2026 - June 30, 2026
Annual Rate: 8.48%
Daily Rate: 0.0002324
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Prior Interest Rate
Period: July 1, 2025 - December 31, 2025
Annual Rate: 8.66%
Daily Rate: 0.0002373