Tax Forms

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Form Title or Number:
Tax Type:
Tax Year:
NumberTax YearForm TitleRevisedVersion
IT 1AllApplication for Registration as an Ohio Withholding Agent
For your convenience the Ohio Department of Taxation will register your business by telephone. Call 1-888-405-4089.
PDF Fill-in
IT 3AllTransmittal of Wage and Tax Statement
PDF Fill-in
IT 4AllEmployee's Withholding Exemption Certificate
PDF Fill-in
IT 4 MILAllMilitary Employee Withholding Exemption Certificate
PDF Fill-in
IT 4NRAllEmployee's Statement of Residency in a Reciprocity State
PDF Fill-in
IT MIL SPAllExemption from Withholding -- Military Spouse Employee
PDF Fill-in
IT WHCAllChange of Ohio Employer, Name, Address or Status
PDF Fill-in
PRAllPetition for Reassessment - All Taxes
PDF Fill-in
WH 1AllOhio Employer Withholding Tax - General Guidelines
WT 8655AllWithholding Tax Payroll Service Company Authorization and Release
PDF Fill-in
WT ARAllApplication for Income Tax Withholding Refund
WT OORAllOpt Out Request Form for Electronic Filing and/or Payment of Employer Withholding and/or School District Withholding
11/14PDF Fill-in
 2017Employer Withholding Tax Due Dates -- 2016-2017 Payment Schedule
 2017Employer's Withholding Instructions
 2017Magnetic Media Reporting
 2016Magnetic Media Reporting
WT OOR2016Opt Out Request Form for Electronic Filing and/or Payment of Employer Withholding and/or School District Withholding

Top Individuals Forms

Instructions for IT 1040 and SD 100


Individual Income and School District Income Tax Publication - 2017

IT 10 2017 Ohio Income Tax Information Notice
IT 1040 2017 Ohio Individual Income Tax Return / Amended Individual Income Tax Return
IT 40P
2017 Income Tax Payment Voucher
IT 1040ES 2018 Individual Estimated Income Tax Voucher
SD 100 2017 Ohio School District Income Tax Return / Amended School District Income Tax Return
SD 40P 2017 School District Income Tax Payment Voucher
SD 100ES 2018 School District Estimated Income Tax Voucher
Seller Questionnaire   Seller Motor Vehicle Questionnaire (Casual Sale)
Buyer Questionnaire   Buyer Motor Vehicle Questionnaire (Casual Sale)
Top Business Forms
Employer Letter 2018 Expirations, New School Districts, Renewals and Rate Changes Effective 1/1/2018
IT 1041 2017 Fiduciary Income Tax Return
IT 1140 2017 Pass-Through Entity and Trust Withholding Tax Return
IT 3 2017 Transmittal of Wage and Tax Statements
IT 4708 2017 Composite Income Tax Return for Certain Investors in a Pass-Through Entity  



2018 File returns and make payments for multiple clients under one registration
Farm Use Questionnaire   Farm Use Questionnaire
Transportation Questionnaire   Transportation for Hire Questionnaire

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.