In ProConnect, the 2025 MS8453-IIT has a software bug. Part I, Line 2 - Total Mississippi tax, should pull over totals from Form 80-105, line 23; or 80-205, line 25, as applicable. Instead, it is pulling the total over from Form 80-105, line 17 - Income Tax due. While that might be the same number for some filers, it excludes several reductions including the credit for tax paid to another state.
Thankfully, the calculation for the Refund due is not impacted, as it pulls that from the 80-105 or 80-205 forms. I'm not sure what the impact is when e-filed, because I haven't submitted yet.
Hi @SuzanneIntheSip welcome to the Community! Thanks for posting about the 2025 MS8453-IIT issue and for bring it to our attention. This has been confirmed as a software issue by our Support team, shared with Development, and will be addressed in a future update of ProConnect Tax.
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