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Category Calculator
File Name File Category File Format
2018 Underpayment Adjustment Calculator Underpayment Interest and Penalty (18.74 KB) Calculator Spreadsheet
Category Form
File Name File Category File Format
2018 Form FIT-161 Tax Year 2018 Form FIT-161, Fiduciary Return of Income (697.04 KB) Form PDF
2018 Form IN-111 Tax Year 2018 Form IN-111, Income Tax Return (1.09 MB) Form PDF
2018 Instructions IN-153 Tax Year 2018 Instructions IN-153, Capital Gain Exclusion Calculation (139.96 KB) Form PDF
2018 Schedule IN-153 Tax Year 2018 Schedule IN-153, Capital Gain Exclusion Calculation (194.03 KB) Form PDF
2018 Form BI-471 Tax Year 2018 Form BI-471, Business Income Tax Return (234.38 KB) Form PDF
2018 Instructions IN-113 Tax Year 2018 Instructions IN-113, Income Adjustment Calculations (150.94 KB) Form PDF
2018 Instructions IN-111 Tax Year 2018 Instructions IN-111, Income Tax Return (847.54 KB) Form PDF
Category Worksheet
File Name File Category File Format
2018 Worksheet IN-152 Tax Year 2018 Worksheet IN-152, Underpayment of 2018 Estimated Individual Income Tax (166.03 KB) Worksheet PDF
Category Report
File Name File Category File Format
2019 Annual Taxpayer Advocate Report Annual Taxpayer Advocate Report Calendar Year 2018 Activity (261.99 KB) Report PDF