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Priority of payment disputes must be adjudicated through Ins. Law 5105 intercompany arbitration
Arbitrations

Priority of payment disputes must be adjudicated through Ins. Law 5105 intercompany arbitration

By Jason Tenenbaum 8 min read

Key Takeaway

Understanding priority of payment disputes in NY no-fault insurance. Expert analysis of intercompany arbitration requirements, SZ Medical case, and Insurance Law 5105 for NYC and Long Island.

This article is part of our ongoing arbitrations coverage, with 227 published articles analyzing arbitrations 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 Priority of Payment Disputes in New York No-Fault Insurance

In the complex landscape of New York’s no-fault insurance system, priority of payment disputes represent one of the most intricate areas of insurance law. These disputes frequently arise when multiple insurance carriers may be responsible for covering the same claim, creating challenging jurisdictional questions that require specialized legal resolution. For individuals navigating the aftermath of motor vehicle accidents in New York City and Long Island, understanding how these disputes are resolved can be crucial to ensuring timely payment of benefits.

The Framework of New York’s No-Fault Insurance System

New York’s comprehensive no-fault insurance framework was designed to streamline the process of obtaining compensation following motor vehicle accidents. However, the system’s complexity becomes apparent when multiple insurance policies may apply to a single incident. Whether an accident occurs on the congested streets of Manhattan, the highways connecting Nassau and Suffolk counties, or anywhere within the five boroughs, the same fundamental legal principles govern how insurance priority disputes are resolved.

The law is simple: Disputes involving whether an insurance carrier in a no-fault coverage dispute is primary, secondary, or tertiary must be resolved through intercompany arbitration. This fact pattern was presented four years ago in SZ Medical, P.C. v. Lancer Ins. Co., 7 Misc.3d 86 (App. Term 2d Dept. 2005) and was again presented in M.N. Dental Diagnostics, P.C. v Government Employees Ins. Co., 2009 NY Slip Op 29266(App. Term 1st Dept. 2009).

Insurance Law 5105: The Cornerstone of Intercompany Arbitration

New York Insurance Law Section 5105 establishes the mandatory framework for resolving disputes between insurance companies regarding their respective obligations under no-fault insurance policies. This statutory provision recognizes that courts are not the appropriate forum for determining priority of payment questions between insurers, as these determinations require specialized knowledge of insurance industry practices and regulatory requirements.

Why Intercompany Arbitration is Mandatory

The requirement that priority disputes be resolved through intercompany arbitration serves several important policy objectives:

Efficiency: Arbitration proceedings move more quickly than traditional litigation, ensuring that injured parties receive benefits without unnecessary delay while insurers resolve their coverage disputes.

Expertise: Arbitrators in insurance disputes typically possess specialized knowledge of no-fault insurance law and industry practices that may not be available in traditional court proceedings.

Cost Reduction: By removing these technical disputes from the court system, the overall cost of resolving no-fault insurance claims is reduced, ultimately benefiting both insurers and policyholders.

The SZ Medical Decision: Establishing Precedent

The Appellate Term’s decision in SZ Medical, P.C. v. Lancer Ins. Co. provided crucial guidance regarding when intercompany arbitration is required. This 2005 decision established that medical providers and other assignees cannot circumvent the arbitration requirement by pursuing coverage disputes directly in court. Instead, these disputes must be resolved through the specialized arbitration process designed for insurance industry disputes.

This precedent has proven particularly important for healthcare providers serving patients in New York City’s diverse communities and Long Island’s suburban areas, as medical practices frequently accept assignment of no-fault benefits from patients while remaining uncertain about which insurance carrier bears primary responsibility for payment.

M.N. Dental Diagnostics: Reaffirming the Principle

The 2009 decision in M.N. Dental Diagnostics, P.C. v Government Employees Ins. Co. reinforced the mandatory nature of intercompany arbitration for priority disputes. This case demonstrated that even when medical providers believe they have clear entitlement to benefits, questions of insurance priority must still be resolved through the proper arbitration channels rather than through direct court action against individual insurers.

For dental practices, medical clinics, and other healthcare providers operating throughout the New York metropolitan area, this decision clarifies that pursuing payment through multiple channels simultaneously is not permissible when priority questions exist.

Practical Implications for Healthcare Providers

Healthcare providers accepting no-fault insurance assignment face unique challenges when priority disputes arise. Understanding when these disputes trigger mandatory arbitration requirements is essential for effective practice management and collections procedures.

Identifying Priority Disputes

Common scenarios that may involve priority of payment disputes include:

Multiple Vehicles: Accidents involving multiple vehicles may create questions about which insurance policy provides primary coverage, particularly when passengers are involved.

Commercial vs. Personal Coverage: When accidents occur during the course of employment or involve commercial vehicles, determining priority between personal auto insurance and commercial policies may require arbitration.

Out-of-State Policies: Accidents involving vehicles insured in other jurisdictions may create complex priority questions requiring specialized resolution.

Procedural Requirements and Timing

When priority disputes arise, specific procedural requirements must be followed to initiate intercompany arbitration. These requirements are designed to ensure that disputes are resolved efficiently while protecting the rights of all parties involved.

Notice Requirements

Proper notice to all potentially responsible insurers is crucial for effective arbitration proceedings. Failure to provide adequate notice may result in delays or invalid determinations that could prejudice the rights of injured parties or healthcare providers seeking payment.

Documentation Standards

Intercompany arbitration requires comprehensive documentation of the coverage dispute, including policy terms, claim details, and relevant legal authorities. Healthcare providers and their legal representatives must be prepared to present clear evidence supporting their position regarding insurance priority.

Impact on Patient Care and Provider Operations

The mandatory arbitration requirement for priority disputes has significant implications for healthcare providers serving motor vehicle accident victims throughout New York City and Long Island. Understanding these implications helps providers make informed decisions about accepting no-fault assignments and managing cash flow during dispute resolution periods.

Cash Flow Management

During arbitration proceedings, healthcare providers may experience delays in payment that can impact practice operations. Effective financial planning requires understanding the typical timeline for arbitration resolution and maintaining adequate working capital to address temporary payment delays.

Frequently Asked Questions

What constitutes a priority of payment dispute requiring arbitration?

A priority of payment dispute arises when two or more insurance carriers may be responsible for covering the same no-fault benefits, and there is uncertainty about which carrier bears primary, secondary, or tertiary responsibility. This commonly occurs in multi-vehicle accidents, incidents involving commercial vehicles, or situations where multiple insurance policies may apply.

Can healthcare providers avoid arbitration by pursuing one insurer directly?

No, healthcare providers cannot circumvent the arbitration requirement by pursuing claims against individual insurers when priority questions exist. The law requires that priority disputes be resolved through intercompany arbitration before benefits can be properly allocated.

How long does the arbitration process typically take?

The duration of intercompany arbitration varies depending on the complexity of the priority dispute and the availability of arbitrators. However, arbitration is generally faster than traditional litigation and is designed to provide timely resolution of coverage disputes.

Who pays for the arbitration proceedings?

The costs of intercompany arbitration are typically shared among the participating insurance carriers according to established industry practices and arbitration rules. Healthcare providers are generally not responsible for arbitration costs.

What happens if an insurer refuses to participate in arbitration?

Insurance Law Section 5105 makes participation in intercompany arbitration mandatory for insurers licensed to do business in New York. Failure to participate may result in regulatory action and could affect the insurer’s ability to raise priority defenses in subsequent proceedings.

For attorneys representing healthcare providers, patients, or other parties affected by no-fault priority disputes, understanding the arbitration requirement is essential for effective case management and client counseling.

Case Evaluation and Strategy

When priority disputes are identified, legal practitioners must evaluate whether direct litigation against individual insurers is appropriate or whether arbitration proceedings should be initiated. Pursuing the wrong procedural path can result in dismissed claims and additional delays for clients.

Client Communication

Clients affected by priority disputes need clear explanations of how the arbitration process works and what delays they might expect in receiving benefits or payments. Effective communication helps manage client expectations and maintains strong attorney-client relationships during potentially frustrating delay periods.

Future Developments and Considerations

As New York’s no-fault insurance system continues to evolve, the principles established in cases like SZ Medical and M.N. Dental Diagnostics remain foundational to understanding how priority disputes must be resolved. However, practitioners should stay informed about regulatory changes and new case law that may affect arbitration procedures or requirements.

Conclusion: Navigating Priority Disputes Effectively

The requirement that priority of payment disputes be resolved through intercompany arbitration under Insurance Law Section 5105 represents a fundamental aspect of New York’s no-fault insurance system. Whether serving patients in Manhattan’s medical centers, Long Island’s suburban practices, or anywhere throughout the five boroughs, healthcare providers and their legal representatives must understand and comply with these arbitration requirements.

The decisions in SZ Medical and M.N. Dental Diagnostics provide clear guidance that priority disputes cannot be circumvented through direct court action against individual insurers. Instead, these technical questions of insurance coverage must be resolved through the specialized arbitration process designed specifically for such disputes.

For individuals and healthcare providers affected by motor vehicle accidents throughout New York City and Long Island, understanding these procedural requirements can help avoid unnecessary delays and ensure that priority disputes are resolved efficiently and effectively.

If you’re dealing with complex no-fault insurance priority disputes or need guidance on intercompany arbitration procedures, don’t navigate these technical requirements alone. Call 516-750-0595 for experienced legal counsel that understands the intricacies of New York’s no-fault insurance system.


Legal Update (February 2026): Since this post’s publication in 2009, New York’s Insurance Law Section 5105 and related arbitration procedures may have been subject to regulatory amendments, procedural modifications, or updated arbitration rules governing intercompany disputes. Practitioners handling priority of payment disputes should verify current statutory provisions and arbitration procedures, as the regulatory framework governing no-fault insurance intercompany arbitrations has evolved over the intervening years.

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.

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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 arbitrations 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 Arbitrations Law

New York has a unique legal landscape that affects how arbitrations 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 arbitrations 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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