Register A Business

If you are starting a new business in Kentucky, you may need to register with the Department of Revenue by completing the 10A100 Kentucky Tax Registration Application (75K).

This application is designed to allow a business to apply for or update the following applicable tax accounts:

• Employer's Withholding Tax
• Sales and Use Tax
• Consumer's Use Tax
• Corporation Income Tax
• Limited Liability Entity Tax (LLE)
• Transient Room Tax
• Motor Vehicle Tire Fee
• Coal Severance and Processing Tax. 

You may obtain a 10A100 Kentucky Tax Registration Application (75K) by contacting the Department of Revenue, by downloading the application from this web page, or by visiting a Taxpayer Service Center.

Fully completed applications will be processed, barring seasonal workload increases, within approximately 5 to 10 business days.  Applications with missing or unclear information, requiring additional research, may take longer.  Applications with extensive amounts of missing information will be returned by mail for further completion.

Note: The 10A100 Kentucky Tax Registration Application (75K) does not register your business with the Kentucky Secretary of State's Office or the Unemployment Insurance Office.  Please see Useful Links for more information on these registrations.

This fill-in registration form cannot be saved or e-mailed to the Department of Revenue unless you have purchased the full version of Adobe Acrobat Professional.  Please print the completed form and mail or fax it to the Department.

North American Industry Classification System (NAICS)

Out-of-state corporations, s-corporations, limited partnerships, limited liability partnerships, limited liability companies, associations, real estate investment trusts, regulated investment companies, real estate mortgage investment conduits, or similar entities created with limited liability for the partners, members or shareholders which need to determine if they have nexus within the Commonwealth of Kentucky for Corporation Income and/or Limited Liability Entity taxes can submit form 12A513 “Corporation Nexus Questionnaire” to the Department of Revenue for a determination.