This release incorporates further improvements to date handling and corrects the rate for Montana (see the instructions for line 17 of the 2020 version of Form CIT-UT [This form was later revised and move by the state—see below]). For the major changes in Instant Interest the 2nd quarter, see the release notes for version 21.2.0.0.

Note: The referenced version of Form CIT-UT was in error. The correct rate is 6.25%. Release 21.3.0.0 reverts this error base on the “Late Fees, Interest, and Penalties” updated by the state of Montana on May 13, 2021.