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Federal Agencies

Indiana Agencies


Internal Revenue Service United States Department of the Treasury

Small Business Resources available from the IRS.

Commonly requested forms

SS-4    Register of Employer Identification Number

W-4   Employee Withholding Certificate

 W-9  Request for Taxpayer ID

1099-MISC Reporting Information

Federal Forms & Publications Index


 Pay Federal Employment and Income taxes online at:




Wage Reporting

Social Security Number Verification

FAQ of Employers



Department of Labor offers resources for employee management and Wage & Hour questions

Compliance for other Employee issues including:

Fair Labor Standards Act

Workplace Safety & Health

Garnishment compliance

Free Required Posters


U.S. Citizenship and Immigration Services  

 Employer Form I-9

Employer responsibilities



Start and manage your business entity in Indiana with 

Indiana Secretary of State

Guide to Starting a Business in Indiana

File entity reports

Search for Indiana Business Name


indiana map

for Indiana business taxes, visit the Indiana Dept of Revenue 

Who to call at IDOR

 Commonly requested forms

BT-1 Register for Sales & Withholding Taxes 

WH-4 Employee State & County Withholding Certificate  

ST-105 Indiana Sales Tax Exemption certificate

County Tax Rates    Sales Tax Chart 

Indiana Dept of Revenue Forms Index

 File & Pay Indiana Taxes online at

  Indiana Workforce Development to manage employees and Unemployment taxes

Report New Hires within 20 Days

Free Required Employer Posters

Register with Report to Determine Status

IDWD Forms Index

Official Payments

Make IDWD Payments online