Table of Contents

1099 E-Filing: Indiana

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31

If that date falls on a weekend the filing deadline moves to the following business day.

E-filing threshold

Must E-file if 25 or more

Filing options

Electronic filing

Forms to file

State requires W-2G, 1099-B. 1099-DIV, 1099-INT, 1099-MISC, 1099-NEC and 1099-R. (Any 1099's if there's withholding)

Transmittal form

Form WH-3, Payroll System 2021 doesn't support.

Required file name

Any name with “.txt” at the end.

E-filing website


Dept of Revenue Service


Submitting files

To identify county tax withheld for the tax year, enter C and the numeric 2-digit county code (from 01 to 92) in box 16.

Prior year and corrections can be filed electronically.

Extension of Time to File

A request for an extension of time (WH-3) to file must be made prior to the Jan. 31 deadline by submitting approved Form 8809 or a written request.

Either can be submitted by one of the following methods:

Step 1. Log into INTIME at

Step 2. Go to the “All Actions” (tab) page

Step 3. Under “Payment & Returns,” select “File for WH-3 extension.” This option is only available from January 1 to the filing due date.

Step 4. Choose the WTH account for which you are submitting the extension of time to file request and click “Next”

Step 5. Upload your approved federal Form 8809 or a written request on the same upload screen. The only accepted file types are .pdf and .doc files.

Postal Service

Withholding Tax Section

P.O. Box 6108

Indianapolis, IN 46206

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