NJ-REG Business Registration: How To Get a New Jersey Tax ID explains the steps New Jersey Business Owners and Entities must follow To register for a state tax identification number.
This guide covers obtaining a Federal EIN, completing the NJ-REG application, receiving your 12-digit New Jersey Tax ID, and handling Sales and Use Tax and registration updates.
1. Overview of NJ-REG Registration
New Jersey requires every person or organization conducting business in the state To register with the Division of Revenue and Enterprise Services.
Registration creates a central record for tax administration and provides the Tax ID used for all state tax filings and official correspondence.
What Is the New Jersey Tax Identification Number?
The New Jersey Tax Identification Number is a 12-digit identifier assigned by the Division of Revenue and Enterprise Services when you complete the NJ-REG Business Registration Application.
This number is required for income tax withholding, Sales and Use Tax, employer reporting, and many other state tax obligations.
Who Needs To Register?
All businesses and organizations operating in New Jersey must register.
- Sole Proprietor
- General Partnership
- Corporation
- Limited Liability Company (LLC)
- Limited Partnership (LP)
- Limited Liability Partnership (LLP)
- Nonprofit Organization
Even occasional sellers such as vendors at craft shows and flea markets must register to collect and remit Sales Tax when applicable.
2. How To Obtain a New Jersey Tax ID
Step 1: Obtain a Federal Employer Identification Number (FEIN)
Before completing NJ-REG, secure a FEIN from the Internal Revenue Service unless you are an individual not required To have one.
FEINs are mandatory for Corporations, Partnerships, and any business with employees and they are needed on the NJ-REG form.
Step 2: File Formation Documents If Applicable
If your business is a Corporation, LLC, LP, or LLP you must file formation or authority documents with DORES before operating as a legal entity.
Formation creates the state record that ties To the NJ-REG registration for tax purposes.
Step 3: Complete the NJ-REG Form
Complete the NJ-REG Business Registration Application online through the NJ Business Registration Online Portal.
Prepare your FEIN, legal business name, trade name if used, business address, NAICS description, and details about the activities you will perform in New Jersey.
Step 4: Receive Your New Jersey Tax ID
Upon successful registration you will be assigned a 12-digit New Jersey Tax Identification Number.
Keep this number with your business records and use it on all state filings and communications.
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3. Key Post-Registration Items
Business Registration Certificate (BRC)
After you register you will receive a Business Registration Certificate which proves valid registration in New Jersey.
The BRC is commonly required when contracting with state or local public agencies.
Sales and Use Tax Timing
If you will collect Sales Tax register at least 15 business days before you begin sales so you have time To comply with collection and remittance obligations.
Early registration avoids delays when you start selling taxable goods or services.
Out-of-State Businesses and Employees
If you are an out-of-state business with employees who live or work in New Jersey you must register as a non-New Jersey business entity.
Register promptly To ensure proper withholding and reporting for employees in New Jersey.
Updating Registration Information
For changes such as new addresses, ownership or business location file Form REG-C-L with DORES to update your registration details.
Certain updates must be submitted on paper using the REG-C-L form so keep copies of your records.
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4. Best Practices and Common Mistakes To Avoid
Obtain your FEIN before starting the NJ-REG application to avoid delays and mismatched records.
Do not wait until the last minute To register for Sales Tax if you plan To sell taxable goods; the 15 business day window matters.
Keep scanned copies of your BRC, formation documents, FEIN confirmation, and NJ-REG submission for audits and contract requirements.
Consult an Accountant or Tax professional if you have multiple locations, workforce that crosses state lines, or complex entity structures.
5. Quick Reference Table of Accounts and Agencies
| Account Type | Agency | How To Register |
|---|---|---|
| Federal EIN (FEIN) | Internal Revenue Service | Apply online at the IRS EIN application for immediate issuance |
| New Jersey Tax Identification Number (12-digit) | New Jersey Division of Revenue and Enterprise Services (DORES) | Complete the NJ-REG Business Registration Application online via the NJ Business Registration Portal |
| Business Registration Certificate (BRC) | DORES | Issued after NJ-REG registration; required for government contracting |
| Sales and Use Tax | DORES | Register at least 15 business days before commencing taxable sales |
| Out-of-State Employer Registration | DORES | Register as a non-New Jersey business if you have employees in New Jersey |
| Registration Updates (REG-C-L) | DORES | File paper Form REG-C-L to update location, ownership, or other details |
6. Additional Resources For Registration and Forms
- New Jersey Division of Revenue and Enterprise Services - Getting Registered
- NJ Business Registration Online Portal - Complete the NJ-REG Form
- IRS - Apply for an Employer Identification Number (EIN) Online
NJ-REG Business Registration: Conclusion
Securing a New Jersey Tax Identification Number via the NJ-REG application is an essential step for any business operating in New Jersey.
Start by getting a FEIN, complete your NJ-REG online through the state portal, obtain your BRC, and register early for Sales Tax if you will collect tax on sales.
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