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The 120-day rule
Additional Verification

The 120-day rule

By Jason Tenenbaum 8 min read

Key Takeaway

Learn NY no-fault insurance 150-day verification rule. Expert analysis of Chapa decision & claim timing requirements. Call 516-750-0595.

This article is part of our ongoing additional verification coverage, with 92 published articles analyzing additional verification issues across New York State. Attorney Jason Tenenbaum brings 24+ years of hands-on experience to this analysis, drawing from his work on more than 1,000 appeals, over 100,000 no-fault cases, and recovery of over $100 million for clients throughout Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, and the Bronx. For personalized legal advice about how these principles apply to your specific situation, contact our Long Island office at (516) 750-0595 for a free consultation.

Understanding New York’s 150-Day Verification Rule in No-Fault Insurance Cases

New York’s no-fault insurance system operates under strict timing requirements that can make or break your personal injury claim. One of the most critical rules affecting both healthcare providers and accident victims is the 150-day verification rule, which fundamentally changed how insurance companies must handle claim denials.

The Landmark Chapa Decision: Establishing the 150-Day Rule

The case of Chapa Prods. Corp. v MVAIC, 2019 NY Slip Op 29341 (App. Term 2d Dept. 2019), established a crucial timeline for insurance companies when handling verification requests. This decision clarified that carriers have 150 days from the first verification demand to the date of denial, creating a definitive framework for no-fault claim processing.

What makes this ruling particularly significant is that it established that a late denial does not void the defense under a Domotor theory. Instead, a late disclaimer only makes the dismissal without prejudice, preserving important rights for both parties.

Why the 150-Day Rule Matters for Personal Injury Victims

For accident victims throughout Nassau County, Suffolk County, and the greater New York area, understanding this rule is crucial because it affects when and how insurance companies must respond to medical providers’ claims. This timing can directly impact your ability to receive necessary medical treatment and compensation.

The Evolution of No-Fault Verification Requirements

New York’s no-fault system has always operated under the principle of “pay or deny within 30 days.” However, the verification process has evolved significantly over time, with the 150-day rule representing the latest refinement in protecting both legitimate claims and preventing fraud.

Historical Context: The 30-Day Pay or Deny Rule

The fundamental principle of New York’s no-fault system requires insurance companies to either pay valid claims or provide specific denials within 30 days. This “pay or deny/die” rule ensures that injured parties receive timely medical treatment and compensation. As the Chapa court noted, “you cannot argue with this new rule of no-fault law.”

Impact of 11 NYCRR 65-3.8(b)(3)

The current regulations under 11 NYCRR 65-3.8(b)(3) provide that insurance companies “may” issue denials when verification requests are not fully satisfied, but they are not obligated to pay or deny claims until receiving complete verification of all requested information.

Understanding Verification Requests in Personal Injury Cases

When you’re injured in a motor vehicle accident, slip and fall incident, or other covered event, medical providers treating you must submit claims to your no-fault insurance carrier. The insurance company may then request additional verification to validate these claims.

Common Types of Verification Requests

Insurance companies typically request verification regarding:

  • Medical records and treatment documentation
  • Proof of medical necessity for treatments
  • Billing documentation and coding verification
  • Patient attendance records
  • Provider licensing and certification
  • Equipment and supply documentation

The Problem of “Partial Responses”

One of the key issues addressed in the Chapa decision involves partial responses to verification requests. The court clarified that insurance companies have not historically been required to pay or deny claims upon receipt of incomplete verification responses.

This principle was established in earlier cases such as St. Vincent’s Hosp. of Richmond v American Tr. Ins. Co., 299 AD2d 338, 340 (2002), which held that “an insurer is not obligated to pay or deny a claim until it has received verification of all relevant information requested.”

The Significance of Complete Documentation

The Chapa court emphasized the importance of proper documentation, noting approvingly that courts are “not accepting a nondescript affidavit that certain items were mailed.” This represents a crucial protection for healthcare providers and patients alike.

Requirements for Valid Verification Responses

To satisfy verification requests, healthcare providers must ensure:

  • Complete documentation of all requested materials
  • Specific identification of documents provided
  • Detailed affidavits describing verification efforts
  • Proper mailing and delivery documentation
  • Compliance with all regulatory requirements

As the court noted in referencing New Way Med. Supply Corp. v State Farm Mut. Auto Ins. Co., 56 Misc 3d 132, 2017 NY Slip Op 50925, documentation that is “not in compliance with the request” will not satisfy verification requirements.

Practical Implications for Different Stakeholders

For Healthcare Providers

Medical providers treating accident victims must understand that the 150-day rule provides both opportunities and obligations:

Opportunities:

  • Protection against untimely denials
  • Clear timelines for insurance company responses
  • Preserved rights for claim pursuit

Obligations:

  • Complete and timely verification responses
  • Detailed documentation of all submissions
  • Compliance with specific regulatory requirements

For Personal Injury Victims

Understanding the 150-day rule helps accident victims protect their rights by:

  • Ensuring medical providers have adequate time to respond to verification requests
  • Understanding why treatment claims may be delayed
  • Recognizing when insurance companies exceed their authority
  • Preserving options for pursuing denied claims

For Insurance Companies

The rule establishes clear boundaries for insurance company conduct:

  • 150-day maximum timeline for verification-based denials
  • Prohibition on denials after the deadline
  • Requirements for specific, detailed verification requests
  • Standards for evaluating verification responses

The Chapa decision established that denials issued after the 150-day period are “a nullity with respect to that defense.” This has significant implications for litigation strategy and case outcomes.

Without Prejudice Dismissals vs. Prejudice Dismissals

When insurance companies exceed the 150-day deadline, the result is a dismissal without prejudice rather than with prejudice. This distinction is crucial because:

Without Prejudice:

  • Claims can be refiled
  • No permanent bar to recovery
  • Preserves future litigation rights
  • Returns parties to pre-verification status

With Prejudice:

  • Permanent dismissal of claims
  • No opportunity to refile
  • Complete bar to recovery
  • Final resolution in favor of insurance company

Strategic Considerations for Personal Injury Attorneys

Understanding the 150-day rule is essential for attorneys handling personal injury cases, particularly those involving significant medical treatment and no-fault benefits.

Timeline Management

Attorneys must carefully track verification timelines to ensure:

  • Proper documentation of verification request dates
  • Monitoring of insurance company response times
  • Identification of deadline violations
  • Preservation of client rights throughout the process

Working with Medical Providers

Successful personal injury representation requires coordinating with healthcare providers to:

  • Ensure complete verification responses
  • Document all communications with insurance companies
  • Preserve evidence of compliance efforts
  • Maintain detailed records for potential litigation

The Broader Impact on New York No-Fault Law

The 150-day rule represents part of a broader evolution in New York’s no-fault system, balancing the needs of injured parties for timely medical treatment with insurance companies’ legitimate needs for claim verification.

Preventing Fraudulent Claims

The verification process serves important anti-fraud purposes by:

  • Ensuring treatment was actually provided
  • Confirming medical necessity
  • Validating billing accuracy
  • Preventing duplicate payments

Protecting Legitimate Claims

The 150-day rule protects legitimate claims by:

  • Preventing indefinite delays in claim resolution
  • Requiring specific timelines for insurance responses
  • Preserving access to necessary medical treatment
  • Maintaining the integrity of the no-fault system

Common Challenges and Pitfalls

For Healthcare Providers

Common challenges include:

  • Understanding exactly what verification is required
  • Maintaining proper documentation of submissions
  • Dealing with unclear or overly broad verification requests
  • Managing multiple verification requests for the same claim

For Insurance Companies

Insurance companies must navigate:

  • Strict adherence to 150-day timelines
  • Specific requirements for verification requests
  • Proper evaluation of partial responses
  • Documentation requirements for denial decisions

Frequently Asked Questions

What happens if an insurance company denies a claim after 150 days from the initial verification request?

According to the Chapa decision, such denials are considered “a nullity” and provide no basis for dismissing a no-fault claim with prejudice. The case would be dismissed without prejudice, allowing the provider to refile the claim.

Does the 150-day rule apply to all types of no-fault denials?

The 150-day rule specifically applies to denials based on insufficient verification responses. Other types of denials (such as those based on medical necessity or coverage exclusions) may have different timing requirements.

Can healthcare providers sue immediately if verification is requested, or must they wait for a denial?

Generally, providers must wait for either payment or denial before filing suit. Filing before completing the verification process typically results in dismissal as premature, without prejudice.

What constitutes a complete response to a verification request?

A complete response must address all items specifically requested by the insurance company and provide detailed documentation. General or “nondescript” affidavits stating that materials were mailed are insufficient.

How does the 150-day rule interact with New York’s 30-day pay or deny requirement?

The 30-day rule still applies for claims where no verification is requested. When verification is requested, the insurance company has 150 days from the initial request to issue a denial based on inadequate verification.

Protecting Your Rights Under New York’s No-Fault System

The 150-day verification rule represents an important protection for both accident victims and healthcare providers in New York’s no-fault system. Understanding these timing requirements can help ensure you receive the medical treatment and compensation you deserve after an accident.

Whether you’re dealing with delayed no-fault benefits, disputed medical claims, or complex verification requests, experienced legal representation can help navigate the system’s requirements and protect your rights. The technical nature of no-fault law requires attorneys who understand both the regulatory framework and the practical realities of claim processing.

Call 516-750-0595 for a free consultation with experienced New York personal injury attorneys who understand the complexities of no-fault insurance law and can help ensure you receive the benefits you’re entitled to under the law.


Legal Update (February 2026): Since this post’s publication in late 2019, New York’s no-fault insurance regulations under 11 NYCRR 65-3 may have been subject to amendments or clarifications, particularly regarding verification procedures and timing requirements under section 65-3.8. Additionally, subsequent appellate decisions may have further refined the application of the 150-day rule established in Chapa or modified procedural requirements for claim denials and verification requests. Practitioners should verify current regulatory provisions and recent case law developments when advising clients on no-fault verification timelines.

Legal Context

Why This Matters for Your Case

New York law is among the most complex and nuanced in the country, with distinct procedural rules, substantive doctrines, and court systems that differ significantly from other jurisdictions. The Civil Practice Law and Rules (CPLR) governs every stage of civil litigation, from service of process through trial and appeal. The Appellate Division, Appellate Term, and Court of Appeals create a rich and ever-evolving body of case law that practitioners must follow.

Attorney Jason Tenenbaum has practiced across these areas for over 24 years, writing more than 1,000 appellate briefs and publishing over 2,353 legal articles that attorneys and clients rely on for guidance. The analysis in this article reflects real courtroom experience — from motion practice in Civil Court and Supreme Court to oral arguments before the Appellate Division — and a deep understanding of how New York courts actually apply the law in practice.

About This Topic

Additional Verification in No-Fault Claims

Under New York's no-fault regulations, insurers may request additional verification of a claim within specified time limits. The timeliness, scope, and reasonableness of verification requests — and the consequences of a claimant's failure to respond — are among the most litigated issues in no-fault practice. These articles examine the regulatory framework for verification requests, court decisions on compliance, and the interplay between verification delays and claim determination deadlines.

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Attorney Jason Tenenbaum

About the Author

Jason Tenenbaum, Esq.

Jason Tenenbaum is the founding attorney of the Law Office of Jason Tenenbaum, P.C., headquartered at 326 Walt Whitman Road, Suite C, Huntington Station, New York 11746. With over 24 years of experience since founding the firm in 2002, Jason has written more than 1,000 appeals, handled over 100,000 no-fault insurance cases, and recovered over $100 million for clients across Long Island, Nassau County, Suffolk County, Queens, Brooklyn, Manhattan, the Bronx, and Staten Island. He is one of the few attorneys in the state who both writes his own appellate briefs and tries his own cases.

Jason is admitted to practice in New York, New Jersey, Florida, Texas, Georgia, and Michigan state courts, as well as multiple federal courts. His 2,353+ published legal articles analyzing New York case law, procedural developments, and litigation strategy make him one of the most prolific legal commentators in the state. He earned his Juris Doctor from Syracuse University College of Law.

24+ years in practice 1,000+ appeals written 100K+ no-fault cases $100M+ recovered

Disclaimer: This article is published by the Law Office of Jason Tenenbaum, P.C. for informational and educational purposes only. It does not constitute legal advice, and no attorney-client relationship is formed by reading this content. The legal principles discussed may not apply to your specific situation, and the law may have changed since this article was last updated.

New York law varies by jurisdiction — court decisions in one Appellate Division department may not be followed in another, and local court rules in Nassau County Supreme Court differ from those in Suffolk County Supreme Court, Kings County Civil Court, or Queens County Supreme Court. The Appellate Division, Second Department (which covers Long Island, Brooklyn, Queens, and Staten Island) and the Appellate Term (which hears appeals from lower courts) each have distinct procedural requirements and precedents that affect litigation strategy.

If you need legal help with a additional verification matter, contact our office at (516) 750-0595 for a free consultation. We serve clients throughout Long Island (Huntington, Babylon, Islip, Brookhaven, Smithtown, Riverhead, Southampton, East Hampton), Nassau County (Hempstead, Garden City, Mineola, Great Neck, Manhasset, Freeport, Long Beach, Rockville Centre, Valley Stream, Westbury, Hicksville, Massapequa), Suffolk County (Hauppauge, Deer Park, Bay Shore, Central Islip, Patchogue, Brentwood), Queens, Brooklyn, Manhattan, the Bronx, Staten Island, and Westchester County. Prior results do not guarantee a similar outcome.

Jason Tenenbaum, Personal Injury Attorney serving Long Island, Nassau County and Suffolk County

About the Author

Jason Tenenbaum

Jason Tenenbaum is a personal injury attorney serving Long Island, Nassau & Suffolk Counties, and New York City. Admitted to practice in NY, NJ, FL, TX, GA, MI, and Federal courts, Jason is one of the few attorneys who writes his own appeals and tries his own cases. Since 2002, he has authored over 2,353 articles on no-fault insurance law, personal injury, and employment law — a resource other attorneys rely on to stay current on New York appellate decisions.

Education
Syracuse University College of Law
Experience
24+ Years
Articles
2,353+ Published
Licensed In
7 States + Federal

Legal Resources

Understanding New York Additional Verification Law

New York has a unique legal landscape that affects how additional verification cases are litigated and resolved. The state's court system includes the Civil Court (for claims up to $25,000), the Supreme Court (the primary trial court for unlimited jurisdiction), the Appellate Term (which hears appeals from lower courts), the Appellate Division (divided into four Departments, with the Second Department covering Long Island, Brooklyn, Queens, Staten Island, and several upstate counties), and the Court of Appeals (the state's highest court). Each court has its own procedural requirements, local rules, and case-assignment practices that can significantly impact the outcome of your case.

For additional verification matters on Long Island, cases are typically filed in Nassau County Supreme Court (at the courthouse in Mineola) or Suffolk County Supreme Court (in Riverhead). No-fault arbitrations are heard through the American Arbitration Association, which assigns arbitrators throughout the metropolitan area. Workers' compensation claims go to the Workers' Compensation Board, with hearings at district offices across the state. Understanding which forum is appropriate for your case — and the specific procedural rules that apply — is essential for a successful outcome.

The procedural landscape in New York also includes important timing requirements that can affect your case. Most civil actions are subject to statutes of limitations ranging from one year (for intentional torts and claims against municipalities) to six years (for contract actions). Personal injury cases generally have a three-year deadline under CPLR 214(5), while medical malpractice claims must be filed within two and a half years under CPLR 214-a. No-fault insurance claims have their own regulatory deadlines, including 30-day filing requirements for applications and 45-day deadlines for provider claims. Understanding and complying with these deadlines is critical — missing a filing deadline can permanently bar your claim, regardless of how strong your case may be on the merits.

Attorney Jason Tenenbaum regularly practices in all of these venues. His office at 326 Walt Whitman Road, Suite C, Huntington Station, NY 11746, is centrally located on Long Island, providing convenient access to courts and offices throughout Nassau County, Suffolk County, and New York City. Whether you need representation in a no-fault arbitration, a personal injury trial, an employment discrimination hearing, or an appeal to the Appellate Division, the Law Office of Jason Tenenbaum, P.C. brings $24+ years of real courtroom experience to your case. If you have questions about the legal issues discussed in this article, call (516) 750-0595 for a free, no-obligation consultation.

New York's substantive law also presents distinct challenges. In motor vehicle cases, the no-fault system under Insurance Law Article 51 provides first-party benefits regardless of fault, but limits the right to sue for non-economic damages unless the plaintiff establishes a "serious injury" under one of nine statutory categories. This threshold — codified at Insurance Law Section 5102(d) — requires medical evidence showing more than a minor or subjective injury, and courts have developed detailed standards for each category. Fractures must be documented through imaging studies. Claims of permanent consequential limitation or significant limitation of use require quantified range-of-motion testing with comparison to norms. The 90/180-day category demands proof that the plaintiff was unable to perform substantially all of their usual daily activities for at least 90 of the 180 days following the accident.

In employment discrimination cases, the legal standards vary depending on whether the claim arises under state or local law. The New York State Human Rights Law employs a burden-shifting framework: the plaintiff must first establish a prima facie case by showing membership in a protected class, qualification for the position, an adverse employment action, and circumstances giving rise to an inference of discrimination. The burden then shifts to the employer to articulate a legitimate, non-discriminatory reason for its decision. If the employer meets this burden, the plaintiff must demonstrate that the stated reason is pretextual. The New York City Human Rights Law, by contrast, applies a broader standard, asking whether the plaintiff was treated less well than other employees because of a protected characteristic.

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