Instant Interest Release Notes Version

Missouri changed its refund rate from 0.6% to 0.4% effective October 1, 2021. This change was already included in the version of Instant Interest.

Two states announced plans to change their interest rates for both underpayments and overpayments effective January 1, 2022:

  • Iowa will change from 6.0% to 5.0%.
  • Indiana will change from 4.0% to 3.0%.

Both of these changes are reflected in this release.

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