Central Registration Number/Income Tax Withholding Registration

Step-by-Step guide to Withholding Account Registration with Comptroller of Maryland

Updated over a week ago

Central Registration Number/Withholding Account Registration:

To start the CRN/Withholding Tax Registration, please visit the Maryland - Tax Connect website and follow these instructions:

  1. Visit the MD Tax Connect Portal and under “Quick Links”, click “Register a Business in Maryland - Combined Business Application”. This will show a pop-up message, click “Next”.

  2. On the next page, scroll down to the bottom of the page and after reading the terms and conditions, select the box that says “ I agree to the above Terms & Conditions”. Then click “Next”.

  3. Please enter your information. Title: Owner. Click “Next”


  1. Create a username using Alphabets+Numbers (Should be between 8 - 64 characters). Try using your first name + last name (without space) followed by 1. Click “Validate” to see if the Username is available.

  2. Once validated, you'll see a "Login Credentials Section". Enter a password (Make sure your password is no longer than 15 characters)

  3. Under "Select Security Questions", select the security questions and answers. Make sure to save this information in case of password loss.
    Click "Next"


Demographic Information

  1. Enter ID Type: FEIN

  2. ID Value: Enter your Business FEIN

  3. Entity Type: Business

  4. Are you a Maryland Resident?: Select “Yes”

  5. Ownership Type: LLC - Corporation

  6. Business legal, employer, corporation or owner name: Enter your complete LLC Name. (For example, if the Business name is XYZ LLC, Please enter XYZ LLC, not just XYZ)

  7. Trade name (if different from Legal first name and Legal last name): Leave Blank

  8. Is your Mailing Address and Physical Location the same?: Select the correct option

  9. Enter your Mailing Address first and then Physical address (if different)

Reason for Applying

  1. Select “New Business”

  2. At the bottom of this section, the website will ask you “Would you like to add a Previous Owner?” Select “No”

Account Registration

  1. Select Employer Withholding Tax:

  2. Maryland/CR Number if registered: Leave Blank

  3. Date first wages paid in Maryland subject to withholding (MMDDYYYY): Enter your first Estimated Payroll Date

  4. Gross wages paid in the first quarter of operation: Enter the payroll amount

  5. Number of Employees: 1

  6. Have you paid or do you anticipate paying wages to individuals, including corporate officers, for services performed in Maryland?: Select “Yes”

  7. If yes, Date Wages First Paid (MMDDYYYY): Same date as first payroll date

  8. Leave all other tax types blank. Next to “Tobacco Tax”, you'll see a field that says
    Enter your NAICS Code that best describes the profit or nonprofit business activity that generates revenue.: Enter your NAICS code. (If you’re not sure what it is, please google your service industry with the word NAICS and it will show you the code. (For example, if you search Marketing consulting services NAICS, it will show you the relevant NAICS code which is 541613)

  9. Leave the Cannabis section blank and then scroll down to the bottom of the page to click “Continue”

Related Parties

Click the Blue “Add” button and enter your information per the following instructions:

  1. Enter your Last name, First Name, SSN, Title: Corporate Officer/Owner

  2. Enter your Physical address (If you’re working from home, this will be your home address) and your Phone #. Click “Continue”

  3. Now it will take you back to the main page. Review the information you entered and click “Save & Continue

NOTE: Sometimes the system asks you to enter 2 Related Parties. If that happens, and you're the only owner of the business, click “Add” and enter your own information again.


Leave Blank. Click “Continue”


Enter your name | Title: Owner | Signature: Type in your name again.

Click “Continue”


You will now see a preview of all the information you entered. Please review all important information to make sure it is correct, especially your FEIN and Business name. Save the Summary PDF file with the file name "WTH Reg Details (MD-Taxconnect)".

Click “Continue”


Select “Yes” on this page.


Your application is now submitted. You will see an application confirmation number. Save this PDF with the title “WTH Application Confirmation (MD-Taxconnect)”.


Please upload both documents to your Collective documents by following these instructions:

  1. Login to your Collective Dashboard

  2. From the Lefthand side menu, click “Documents”. Then click the “Upload Documents” button on the top right.

  3. Select the document type as “Employer Registration Documents” and upload the file.

You have now submitted the Withholding Registration application. The state usually takes 3 - 5 business days to process the application and assign the account ID. You should receive the account ID via mail in 7 - 10 business days.

If you don't receive it in 10 business days, please call the state at ‪(410) 260-7980‬ to get the account ID on the call.

Next, complete the Unemployment Insurance tax registration by following the instructions outlined here.

Disclaimer: The information contained in this document is provided for informational purposes only and should not be construed as financial or tax advice. It is not intended to be a substitute for obtaining accounting or other financial advice from an appropriate financial adviser or for the purpose of avoiding U.S. Federal, state or local tax payments and penalties.

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