1040 Indiana frequently asked questions

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MFA required for electronic filing

Effective May 3rd, the 2017 version of UltraTax CS requires multi-factor authentication (MFA) to access the electronic filing transmission feature in CS Connect.

Thomson Reuters is committed to proactively evolving our security features to help you protect your firm and your clients' data. For more information about multi-factor authentication, see Multi-factor authentication overview.

See also: 1040 frequently asked questions

Click the following subjects to view related information.

General information

Allocation and apportionment (IT-40PNRA)

County tax (CT-40, CT-40PNR)

Form IT-40RNR (Reciprocal non-resident return, County tax)

Residency status



Depreciation - Final year catch-up adjustment

Municipal (Tax-exempt) interest

Nonconformity with Internal Revenue Code

Section 179 expense

Amended Returns

Amended return (Form IT-40X)


CC-40 - Credit for Contributions to Indiana Colleges and Universities

Credit for taxes paid to other states

Lake County Refundable Property Tax Credit

Nonrefundable credit - Order used and carryforward

Schedule IN-529 - Education Savings Plan Credit

Schedule IN-OCC - Other Certified Credits


Hoosier lottery winnings deduction

Long-term care policy premiums deduction

Military service deduction

Private or home school deduction

Property tax deduction

Renter's deduction

Unemployment compensation deductions

Electronic Filing

Electronic filing - Indiana forms

Electronic filing error codes

Form IN-OPT (Paper filer)

Forms included in the Electronic Record (List)

Personal Identification Number (PIN)

State electronic filing guide

Withholding - Pass-through Entity (Schedule INK1)

Withholding - W-2/W-2G/1099-R/1099-MISC Detail

Withholding - W2G local withholding


Form IT-40ES Estimate vouchers / Mailing address


Preparing the extension

Net Operating Loss

Net operating loss (NOL) overview

Net Operating Loss - Current Year Loss

Calculating a current year Indiana NOL

Ignoring NOL generated in current year when there is taxable income

Carrying over a current year NOL

Current year NOL for part-year/nonresident

Net Operating Loss - Deduction for Prior Year Loss

Proforma prior year information to current year

NOL deduction - Applying prior year NOL to current year income

NOL deduction for part-year/nonresidents

NOL deduction - Taxpayer and spouse amounts


Schedule IT-2210 - Farmer due date

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