Tax Forms

Instructions: Enter a full or partial form number or description into the 'Title or Number' box, optionally select a tax year and type from the drop-downs, and then click the 'Search' button.

Form Title or Number:
Tax Type:
Tax Year:
NumberTax YearForm TitleRevisedSave
CAT 1AllCommercial Activity Tax Registration Form
PDF Fill-in
CAT 1 INSAllOhio Commercial Activity Tax (CAT) Instructions for Registration
CAT 3CAllCommercial Activity Tax Accounts Change in Mailing or Location Address Form
PDF Fill-in
CAT ARAllAdd/Remove a Member to/from Group -- CAT Consolidated Elected and Combined Taxpayer Groups
PDF Fill-in
CAT CRAllRequest to Cancel/Reactivate Account
PDF Fill-in
CAT CSAllCommercial Activity Tax Credit Schedule
PDF Fill-in
CAT ESAllCommercial Activity Tax -- Request to Change Election Status
PDF Fill-in
CAT FBPAllRequest to File By Paper
PDF Fill-in
CAT FFAllCommercial Activity Tax -- Request to Change Filing Frequency
PDF Fill-in
CAT QDCAllAnnual Application for Distribution Center Qualifying Certificate
PDF Fill-in
CAT REFAllApplication for Commercial Activity Tax Refund
PDF Fill-in
CAT RTFSAllCommercial Activity Tax -- Request to File Separately
PDF Fill-in

Other Form Resources

Note: Most forms are portable document format (PDF) files that require Adobe® Acrobat® Reader® to view. Please visit to download the latest version of this software. If you are unable to print these forms, please refer to Adobe for assistance.

Top Individuals Forms
Instructions for IT 1040, IT 1040EZ, TeleFile and SD 100

Individual Income and School District Income Tax Publication - 2013

IT 10  2013  Ohio Income Tax Information Notice 

IT 1040              Blank form


Ohio Individual Income Tax Return

IT 1040                 Fill-in  2013  Ohio Individual Income Tax Return                       Supported Browsers

IT 1040EZ          Blank form 


Ohio Individual IncomeTax EZ Return 

IT 1040EZ             Fill-in 2013  Ohio Individual IncomeTax EZ Return                       Supported Browsers 
IT 1040X
2013 Ohio Amended Individual Income Tax Return
IT 40P
2013  Income Tax Payment Voucher 
IT 1040ES 2014 Individual Estimated Income Tax Voucher

SD 100               Blank form 

2013 Ohio School District Income Tax Return
SD 100                  Fill-in 2013  Ohio School District Income Tax Return                 Supported Browsers
SD 100X
2013 Ohio Amended School District Income Tax Return for Year 2013
SD 40P  2013  School District Income Tax Payment Voucher 
SD 100ES  2014 School District Estimated Income Tax Voucher
Top Business Forms
Employer Letter 2014 Expirations, New School Districts, Renewals and Rate Changes Effective 1/1/2014 
IT1041 2013  Fiduciary Income Tax Return 
IT1140 2013 Pass-Through Entity and Trust Withholding Tax Return
IT3  2013  Transmittal of Wage and Tax Statements
IT4708 2013 Composite Income Tax Return for Certain Investors in a Pass-Through Entity
IT501  2014  Employer's Payment of Ohio Tax Withheld
IT941  2013  Ohio Employer's Annual Reconciliation of Income Tax Withheld 

SD 101 Short


2014  Employer's Payment of School District Income Tax Withheld 

SD 101 Long 


2014  Employer's Payment of School District Income Tax Withheld
SD 141  2013  School District Employer's Annual Reconciliation of Tax Withheld 



2014  File returns and make payments for multiple clients under one registration