Maryland - New Business Registration Guide

State Tax Agencies

• Comptroller of Maryland – State Income Tax Withholding

• Maryland Department of Labor – Unemployment Insurance (UI) Tax

• Unified registration portal: Comptroller of Maryland Online Registration

Types of Tax

• State Withholding Income Tax

• State Unemployment Insurance (UI) Tax

Step-by-Step Registration Process

1. Combined Registration for Central Registration Number (CRN) and Employer Account Number

• Central Registration Number (CRN) from the Comptroller of Maryland (for withholding tax)

• Employer Account Number from the Maryland Department of Labor (for UI tax)

• Go to the Comptroller of Maryland Online Registration Portal

• Click Begin Registration at the bottom of the page

• Complete the form to register for both withholding and UI taxes

• Phone: (800) 638-2937

• Email: taxhelp@comp.state.md.us

2. Activate Beacon UI Employer Account

• Go to the Maryland Unemployment Beacon Employer Portal

• Click “I need to activate my account”

• Enter:
• Your Employer Account Number
• One of the following:
• Last payment amount
• Gross wages reported
• Activation code (provided after registration)

• Follow the prompts to:
• Set up a username and password
• Complete 3 security questions

• Employer Account Activation Hotline: (410) 767-8997

• Email: ui.employeractivation@maryland.gov

• Beacon Employer Tutorial Videos

Grant Third-Party Access to Check

1. Log in to your Beacon Employer Portal

2. Under Your Options, select Account Maintenance

3. Under Employer Account, choose Agent Assignment

4. Click Add Agent

5. Enter Check’s Agent Account Number: MD3Z8J

6. Upload the required Power of Attorney (POA) document

7. Under Assign Roles, select:
• Wage submission (original and amended)
• Payment submission

8. Enter:
• Begin Date: date of assignment
• Leave End Date blank