Indiana Department of Revenue Form Instructions
- bt-1 BT-1 — Business Tax Application (sales / withholding / FAB registration)
- es-40 ES-40 — Estimated Tax Payment Form (Individual)
- fit-20-booklet FIT-20 Booklet — Financial Institution Tax (instructions)
- ga-110l GA-110L — Claim for Refund
- in-ptet IN-PTET — Pass-Through Entity Tax Election (IT-20S/IT-65)
- it-20-booklet IT-20 Booklet — Indiana Corporate Adjusted Gross Income Tax (instructions)
- it-20s-booklet IT-20S Booklet — S Corporation Income Tax Return (instructions)
- it-20x IT-20X — Amended Corporation Income Tax Return
- it-2210 IT-2210 — Underpayment of Estimated Tax by Individuals
- it-40-booklet IT-40 Booklet — Indiana Full-Year Resident Individual Income Tax (instructions)
- it-40nol IT-40NOL — Net Operating Loss Computation (Individual)
- it-40pnr-booklet IT-40PNR Booklet — Part-Year / Full-Year Nonresident Individual Income Tax (instructions)
- it-40rnr IT-40RNR — Reciprocal Nonresident Individual Income Tax Return
- it-41-book IT-41 Booklet — Fiduciary Income Tax Return (instructions)
- it-41-sch-in-k1 IT-41 Schedule IN K-1 — Beneficiary's Share of Indiana AGI
- it-41es IT-41ES — Fiduciary Estimated Tax / Extension Payment
- it-65-booklet IT-65 Booklet — Partnership Return (instructions)
- it-9 IT-9 — Application for Extension of Time to File
- poa-1 POA-1 — Power of Attorney
- sc-40 SC-40 — Unified Tax Credit for the Elderly
- schedule-composite Schedule Composite — Entity's Composite IN AGI Tax Return (IT-20S/IT-65)
- schedule-composite-cor Schedule Composite-COR — Composite Indiana AGI Tax Return for Corporate Members
- schedule-ptet Schedule PTET — Pass-Through Entity Tax
- st-105 ST-105 — Indiana General Sales Tax Exemption Certificate
- wh-4 WH-4 — Employee's Withholding Exemption & County Status Certificate