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Mutual Withdrawal of Complaint and Counterclaim and Consent for Entry of Judgment, page 1
Simple · 25/100Form Complexity Index

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What this form asks for

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The Mutual Withdrawal of Complaint and Counterclaim and Consent for Entry of Judgment is a legal document filed in the Tax Court of New Jersey. It is used when both the plaintiff and the defendant in a case mutually agree to withdraw their respective complaint and counterclaim, allowing the court to enter a final judgment based on this agreement. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields12
Pages1
Form Complexity IndexSimple, 25/100

The AI checks your answers before you download

11 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Docket Number Presence

Ensures the 'Docket Number' field is not empty. The docket number is a critical unique identifier for the case in the court system. If this field is left blank, the submission cannot be processed or linked to the correct court file, leading to rejection.

Docket Number Format

Validates that the 'Docket Number' follows the expected format for the Tax Court of New Jersey, such as NNNNNN-YYYY. This prevents data entry errors and ensures the number corresponds to a valid case structure. An incorrectly formatted number could cause the document to be misfiled or rejected by the eCourts system.

Plaintiff and Defendant Name Completeness

Verifies that both the 'Plaintiff(s)' name (`plaName`) and 'Defendant(s)' name (`defName`) fields are filled out. These fields are essential for identifying the primary parties involved in the legal matter. A submission without this information is incomplete and legally insufficient.

Attorney Name Completeness

Checks that the names of the attorneys for both the plaintiff (`plaAtty`) and the defendant (`defAtty`) are provided. Legal representation is a key component of the filing, and their identities must be recorded. Failure to provide both attorney names would render the mutual agreement invalid and incomplete.

Plaintiff's Attorney Consistency Check

Confirms that the name entered in the 'attorney for the plaintiff' field (`plaAtty`) is identical to the name entered as the attorney who opened the matter (`claimName`). This logical check ensures consistency and confirms the identity of the plaintiff's legal representative. A mismatch would indicate a data entry error or a potential discrepancy in representation that needs correction.

Defendant Identity Consistency Check

Validates that the defendant's name on whose behalf the counterclaim was filed (`plaDef`) matches the name entered in the main 'Defendant(s)' field (`defName`). This ensures there is no ambiguity about which party's counterclaim is being withdrawn. If the names do not match, the form is logically inconsistent and must be corrected.

And 5 more checks
  • Mutual Signature Date Presence
  • Signature Date Format Validation
  • Signature Date Chronology
  • Name Field Character Validation
  • Minimum Name Field Length

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How to Fill Out CN 12890 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the 'Mutual Withdrawal of Complaint and Counterclaim' form.
  2. Provide the case information, including the Docket Number, plaintiff's name, and defendant's name.
  3. Enter the names of the attorneys representing both the plaintiff and the defendant in the designated fields.
  4. Review all the information auto-filled by the AI to ensure accuracy and completeness of all case details.
  5. Securely add the digital signatures of the attorneys for both the plaintiff and the defendant, along with the date.
  6. Download the completed and co-signed document, ready for filing with the Tax Court of New Jersey's eCourts system.

Common Mistakes in Completing CN 12890

The ones the AI is built to catch.

Entering an Incorrect or Incomplete Docket Number
The docket number is the unique case identifier, and a single typo can cause the document to be rejected or misfiled, leading to significant delays. This often happens due to manual data entry errors. To avoid this, meticulously double-check the number against official court correspondence. AI-powered form-filling tools like Instafill.ai can help prevent this by storing and accurately auto-filling case information.
Submitting a Partially Signed Form
The form explicitly states it must be signed by attorneys for both parties before submission, as it is a 'mutual' withdrawal. This mistake often happens when one party tries to expedite the process, but it results in immediate rejection by the eCourts system. Always coordinate to obtain all required signatures on a single, final document before uploading.
Attempting a Conditional Withdrawal
This form is for an unconditional withdrawal only, as noted in the instructions. Filers sometimes add notes, attach letters, or write in conditions for the withdrawal, all of which will cause the court to reject the filing. The agreement must be final and without any attached strings to be accepted by the court for judgment.
Mismatching Plaintiff or Defendant Names
Party names must match the official court record exactly, including all corporate designators like 'LLC' or 'Inc.' and correct spellings. Using abbreviations, nicknames, or omitting parts of a name can lead to the form's rejection and create ambiguity about the agreement's validity. Carefully transcribe names from the original complaint or docket sheet to ensure accuracy.
Confusing Attorney and Client Information
The form has specific fields for the attorney's name and the client's (plaintiff/defendant) name. A common error is to enter the client's name in the field designated for the attorney, or vice-versa. This creates confusion and can lead to rejection, requiring correction and refiling of the document.
Omitting or Using Invalid Signature Dates
Each signature must be accompanied by a date to be considered validly executed. Forgetting to date the signature, using a future date, or having wildly different dates from each party can invalidate the document. This oversight suggests the agreement was not properly finalized and will likely cause the court clerk to reject the filing.
Unilateral Filing of a Mutual Agreement
This is a 'Mutual Withdrawal,' meaning it is a joint action. A frequent procedural error occurs when one party's attorney completes and signs their portion and uploads it, expecting the other party to do the same separately. The court requires a single, fully executed document, and partial or separate filings will be rejected.
Using an Obsolete Version of the Form
Courts periodically update their forms, as indicated by the 'Promulgated by 05/17/2022' date on this document. Using an older version may result in rejection because it might lack new required fields or legal language. Always ensure you are using the most current version available from the New Jersey Courts website before filling it out.
Neglecting Service on Non-Electronic Parties
The form contains a clause requiring the filer to serve a copy on any party not served through the electronic court system. Overlooking this step can lead to procedural challenges and potential legal issues, as it may violate the due process rights of other involved parties. It is crucial to verify the service method for every party in the case and document compliance.
Submitting Illegible Handwritten Information
If the form is printed and filled out by hand, poor handwriting for names, docket numbers, or dates can make the document impossible for the court to process accurately, leading to rejection. To prevent this, it is best to use the fillable PDF version. If the form is only available as a flat PDF, an AI-powered tool like Instafill.ai can convert it into a fillable version, ensuring all information is clear and legible.

Frequently Asked Questions About CN 12890

 

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It is encrypted in transit and at rest, and it is never used to train AI.
How complex is CN 12890 to fill out?
CN 12890 has a Form Complexity Index of 25 out of 100, in the simple tier: 12 fillable fields across 1 page. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is the purpose of the 'Mutual Withdrawal of Complaint and Counterclaim' form?
This form is used in the New Jersey Tax Court when both the plaintiff and the defendant agree to drop their legal claims against each other. Filing this form allows the court to enter a judgment officially closing the case based on this mutual agreement.
Who needs to complete and sign this form?
This form must be completed and signed by the attorneys for both the plaintiff and the defendant. It signifies a mutual agreement between both parties to withdraw their respective complaint and counterclaim.
What information is required to complete this form?
You will need the court case's Docket Number, the full names of the plaintiff(s) and defendant(s), and the names of the attorneys representing each party. Both attorneys must also sign and date the form.
What happens if only one party's attorney has signed the form?
You must not upload a partially signed form to the eCourts system. The form explicitly states that it must be signed by the attorneys for both parties before it can be submitted for a judgment to be entered.
The form mentions the withdrawal must be 'unconditional.' What does that mean?
An unconditional withdrawal means the agreement to drop the complaint and counterclaim is final and not dependent on any other events or conditions. The court will not accept withdrawals that are contingent on future actions.
How is this form submitted to the Tax Court of New Jersey?
Once fully signed by both parties' attorneys, the completed form should be uploaded to the New Jersey eCourts system. Do not upload partially signed or conditional withdrawal forms.
What happens after the form is successfully submitted?
After the fully executed form is submitted and processed, the court will enter a judgment reflecting the mutual withdrawal of the complaint and counterclaim. This officially closes the case as per the parties' agreement.
Can I use this form if only the plaintiff wants to withdraw their complaint?
No, this specific form is for a 'mutual' withdrawal, meaning both parties are dropping their claims. If only one party is withdrawing their claim, you would need to use a different procedure or form.
What is the Docket Number and where can I find it?
The Docket Number is the unique identifier assigned to your case by the Tax Court of New Jersey. You can find this number on any previous correspondence or legal documents related to your case.
Do I need to serve a copy of the signed form to the other party?
Yes, the form states that a copy must be served upon all parties who were not served electronically through the eCourts system or in person at court. This ensures everyone has a record of the mutual withdrawal.
Can AI help me fill out this form?
Yes, AI-powered services like Instafill.ai can help you accurately auto-fill form fields, saving you time and reducing the risk of errors. This is especially useful for repetitive information like names and docket numbers.
How can I use Instafill.ai to fill this form out online?
Simply upload the PDF of the form to the Instafill.ai platform. Its AI will identify the fields, allowing you to type your information directly into the corresponding sections before you download the completed document.
The PDF version of this form I have isn't fillable. What can I do?
Services like Instafill.ai can solve this by converting flat, non-fillable PDFs into interactive, fillable forms. Just upload your file, and the platform will make it easy to type your information directly onto the form.
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