NJ Tax Division Guide — NJ Tax Portal, ONRS and Refunds

Match the notice to your account and collect the precise details it lists — tax type, year, amount and any reference numbers. Taking such actions keeps the response in proper form.

What is the NJ Tax Division?

NJ Tax Division simply refers to the NJ Division of Taxation. It’s the state agency that has administrative power over New Jersey taxes & specific relief programs. NJ Tax Divison has authority in terms of:

• Personal Income Tax and withholding
• Sales and Use Tax and other business taxes
• Letters asking for documentation
• Refund processing and refund tracking 

Which online tool should you use first?

Taxpayers can leverage NJ ONRS for notice replies. You can use the NJ Tax Portal for filing and payments in its current phases. For the refund checker, check NJ refund status for a personal income tax return.

How do you respond to an NJ Division of Taxation notice using NJ ONRS?

Taxpayers can reply online by entering info from the notice and adding “supporting documents”. 

What should you do before you upload anything?

You can initially confirm the tax period on the letter. Afterwards, scan your documents to keep them in proper form.

Gather the below items:

• The notice — for its reference details
• Proof that answers the question — income forms, receipts, proof of payment and similar items
• Files in accepted formats — PDF, JPEG, PNG, TIFF/TIF

What are the steps in the NJ ONRS process?

1. Open the NJ ONRS page and choose “Get Started”
2. Enter the details requested from the notice
3. Write a short explanation that answers the letter
4. Attach the files — keeping each file linked with one proof
5. Submit and save your confirmation

What if you disagree with the notice amount or decision?

Taxpayers can still respond through NJ ONRS even if they plan to dispute the notice. The state highlights online responses for agreeing & supplying more information or challenging a decision. We recommend keeping the response easy to review as outlined below:

• State whether you agree or disagree in the first line
• Refer to the exact item on the notice you’re addressing
• Attach only the documents that support that one 
• Label files clearly — for example: “W2-2025” or “Proof-of-payment”

What can you do in the NJ Tax Portal?

The NJ Tax Portal is New Jersey’s modernized system for filing and paying specific taxes. 

What is the portal best for?

It works well when taxpayers need to perform the following actions:

• Filing returns & payments for taxes available in the portal
• Access account information linked with the distinct profile

What steps help you avoid portal errors?

Leverage the following sequence:

1. Locate the tax type as well as the filing period
2. Decide whether you’ll proceed as a guest or create a profile
3. Verify the amount & period before submitting
4. Save “the proof of the the payment” — or “filing confirmation”

How do you Check the NJ refund status for your income tax return?

It is possible to track the New Jersey Income Tax refund online. The wait time varies in parallel to filing performance. The state lists the following timing benchmarks:

• 4 weeks or more after e-filing
• At least 12 weeks after mailing a paper return
• 15 weeks or more when extra processing is necessary

The online tool, in general, asks for the Social Security number & the refund amount from the return. The refund page also lists an automated phone option (1-800-323-4400).  In case of waiting on a paper check and thinking — it may have been returned — New Jersey presents an undeliverable refund search tool.

What deadlines matter most for NJ Income Tax?

Individuals generally run into three timing rules: the annual due date & extension filing rules and quarterly estimated payments.

When is a New Jersey income tax return due?

New Jersey generally follows the federal due date. For calendar-year filers, the 2025 return is due April 15, 2026. And a weekend or holiday pushes the mentioned deadline to the next business day.

How does an extension work in New Jersey?

An extension is able to move the filing date — generally to October 15, 2026. However, payment is still due by the original deadline and the state notes an 80% payment threshold to prevent a late filing penalty fee.

When are estimated payments due?

New Jersey lists four quarterly due dates: April 15 & June 15 & September 15 & January 15 — of the following year

What should you gather before contacting the state or a CPA?

Collect the core data & proof before you call or reply for a professional experience. Take a look at this checklist:

• The notice letter — or filing confirmation — and the tax year it references
• Your SSN or New Jersey tax ID, in line with the account type
• Documents of supportive nature for your distinct position
• Proof of payment details if you already paid
• A one-paragraph timeline — in plain language

When should you stop guessing and bring in a professional?

Taxpayers should contact CPAs if the issue has the potential to impact what they owe or it may delay a refund & create follow-up letters. You need to consider especially in the below scenarios:

• A notice proposing added tax, penalty payments or interest that doesn’t match the records
• A mismatch between the return and the income the state shows
• Business filings where access or registration issues block online submission
• Refund holds linked with documentation requests or identity controls

Contact Wasserman Accounting for NJ Tax Division Assistance

If you require a professional approach when responding to notices, a portal filing or a refund delay, reach out to us. The Wasserman Accounting team stands ready to present the correct path and prepare an organized response.

FAQs

How to contact NJ Division of Taxation?

Start on the NJ Division of Taxation “Contact Us” or “Telephone Assistance” pages. In terms of notice replies, leverage NJ ONRS. For for access issues linked with the NJ Tax Portal, use the portal’s help links.

How to Check NJ Division of Taxation Refund Status?

In order to check NJ refund status for for the Income Tax return — use the state’s online refund status tool and enter the SSN & the refund amount from the return.