Glossary

The subrogation dictionary.

60 terms across legal doctrine, claims operations, arbitration, finance and evidence.

A

Additional InsuredLegal Doctrine

A person or organization added to another party's liability policy by endorsement, often required by construction contracts and commercial leases (common ISO forms include CG 20 10 and CG 20 37). The additional insured gains defense and indemnity rights under the named insured's policy. For subrogation, the anti-subrogation rule usually bars the issuing carrier from pursuing its own additional insured, so recovery has to target that party's own coverage or another tortfeasor.

Anti-Subrogation RuleLegal Doctrine

The rule that an insurer cannot subrogate against its own insured, including additional insureds and permissive users covered by the same policy, for the very risk the policy covers. Allowing it would let the carrier push the loss back onto the party who paid premium for protection. Courts in several states extend the idea to tenants, treating them as implied co-insureds under the landlord's property policy unless the lease clearly says otherwise.

Arbitration Forums, Inc.Arbitration

Arbitration Forums, Inc. (AF) is a membership-based, not-for-profit organization founded by the insurance industry in 1943 and headquartered in Tampa, Florida. It administers inter-company arbitration programs for insurers, self-insureds and TPAs, including the Automobile, Property, Medical Payment and Uninsured Motorist forums, and it runs the E-Subro Hub demand exchange. Signatory companies agree to arbitrate qualifying disputes with each other instead of litigating them.

Auto Subrogation Arbitration AgreementArbitration

Formally the Automobile Subrogation Arbitration Agreement, this Arbitration Forums agreement commits signatory companies to forgo litigation and arbitrate automobile physical damage subrogation disputes with other signatories. Compulsory jurisdiction applies up to $100,000 in total company-paid damages, with larger claims heard only by consent. A non-signatory cannot be compelled without its written consent, so confirm the adverse carrier's signatory status before choosing arbitration over a demand or suit.

C

Chain of CustodyEvidence

The written record of every person who handled a piece of physical evidence, when they received it, where it was stored and in what condition, from collection at the loss site through the joint lab examination and trial. Gaps invite spoliation and tampering arguments. ASTM E1188 and ASTM E860 describe accepted practice: sealed and labeled containers, a unique evidence number, and a signed transfer form at every handoff.

Collateral Source RuleLegal Doctrine

A tort rule that stops a defendant from reducing damages because the injured party was compensated by an independent source, such as its own insurance. The rule keeps the tortfeasor fully responsible, and subrogation then prevents double recovery by returning the insurer's payment to the insurer. Many states have modified the rule by statute for medical expenses, which changes how much of a bodily injury or med-pay recovery survives.

Combined RatioFinancial

The loss ratio (losses and loss adjustment expense over earned premium) plus the expense ratio (underwriting expenses over premium). A result below 100 means an underwriting profit. Subrogation recoveries reduce net incurred losses, so they lower the loss ratio and the combined ratio directly. A regional carrier with $100M DWP that captures an additional 2% in subrogation recoveries can cut its combined ratio by 1.1 to 1.3 points.

Contractual IndemnityLegal Doctrine

A contract clause in which one party agrees to cover another party's losses, defense costs or liability arising from specified events, common in construction subcontracts, leases and service agreements. A carrier subrogated to its insured's rights can enforce the clause against the indemnitor. Many states restrict broad-form indemnity through anti-indemnity statutes, especially construction clauses that shift liability for the indemnitee's sole negligence.

Contractual SubrogationLegal Doctrine

Subrogation rights created by the insurance policy itself, such as the ISO commercial property and general liability condition titled Transfer of Rights of Recovery Against Others to Us, or the personal auto condition Our Right to Recover Payment. The policy wording controls the scope of the right, its priority against the insured's own uninsured loss and, in many states, whether the made-whole doctrine can be overridden by contract.

Contributory NegligenceLegal Doctrine

The common-law rule that any negligence by the plaintiff, however slight, completely bars recovery. It survives as the general rule only in Alabama, Maryland, North Carolina, Virginia and the District of Columbia. A subrogated carrier stands in its insured's shoes, so even a minor fault finding against the insured driver defeats the entire recovery unless an exception such as last clear chance applies.

Conventional SubrogationLegal Doctrine

Subrogation that arises from an express agreement rather than by operation of law, such as a subrogation receipt signed at payment or a subrogation clause in the policy. Courts often use conventional and contractual subrogation interchangeably. Because the right rests on contract, its terms govern priority and scope, but it can never give the insurer more than the insured itself could have recovered from the tortfeasor.

D

Deductible ReimbursementClaims Operations

Returning the insured's deductible out of a subrogation recovery. Unfair claims settlement rules in many states require the carrier to include the deductible in its subrogation demand, to share any recovery with the insured at least proportionately unless the deductible was recovered elsewhere, and to limit expense deductions to a pro rata share of outside attorney costs. Market conduct examiners test whether these refunds are timely and accurate.

Demand PackageClaims Operations

The file a subrogating carrier sends to the adverse carrier or responsible party to support its claim: a demand letter stating the amount and the liability basis, the police or fire report, photographs, statements, repair estimates and invoices, proof of payment, the deductible amount and any expert findings. A complete package shortens negotiation and becomes the core of the arbitration filing if the demand is denied.

Discovery RuleLegal Doctrine

A rule under which a limitation period starts when the plaintiff knew, or reasonably should have known, of the injury and its likely cause, rather than on the date of the wrongful act. It matters most for latent losses such as slow plumbing leaks, construction defects and toxic exposure. Courts apply it unevenly to property claims, so calendar from the date of loss unless the state rule clearly applies.

E

E-Subro HubArbitration

Arbitration Forums' web-based clearinghouse for sending, receiving and answering subrogation demands between insurers, self-insureds, TPAs and claim service organizations. Introduced in 2006 and available in all 50 states and the District of Columbia since 2011, it routes each demand to the adverse file handler, holds supporting documents and tracks offers. A demand that stalls can move into AF arbitration on the same platform.

Economic Loss DoctrineLegal Doctrine

A doctrine that bars tort recovery for purely economic loss, including damage a defective product causes only to itself, and leaves the claimant to contract and warranty remedies. The U.S. Supreme Court adopted the product version in admiralty in East River S.S. Corp. v. Transamerica Delaval Inc., 476 U.S. 858 (1986). Whether a failed component damaged other property decides whether negligence and strict liability theories stay available.

Equitable SubrogationLegal Doctrine

Subrogation that arises by operation of law, also called legal subrogation, when one party pays a debt or loss that in fairness another party should bear. An insurer that pays its insured's loss acquires the insured's claim against the tortfeasor even without a policy clause, provided it paid under an obligation rather than as a volunteer. Equitable defenses, including the made-whole doctrine, apply most strongly to this form.

F

FNOL (First Notice of Loss)Claims Operations

The first report of a loss to the insurer, by phone, app, agent or broker, that opens the claim. FNOL captures the date, location, parties, vehicles and a description of the loss, and it is the earliest point to spot a responsible third party. Ishqkala Real-Time FNOL Triggers read the intake narrative for liability signals so evidence preservation starts before vehicles are salvaged or failed parts are discarded.

G

Graves AmendmentLegal Doctrine

A 2005 federal statute, 49 U.S.C. 30106, that preempts state laws imposing vicarious liability on rental and leasing companies solely because they own the vehicle. The owner stays liable for its own negligence or criminal wrongdoing, such as negligent maintenance or negligent entrustment, and state financial responsibility laws still apply. A recovery against a rental fleet therefore needs evidence of fault by the company itself, or it must target the renter.

I

Implied Warranty of MerchantabilityLegal Doctrine

A warranty implied by UCC 2-314 in every sale of goods by a merchant that the goods are fit for the ordinary purposes for which such goods are used. A failed water heater or supply line that breaches it supports a contract-based recovery that can survive the economic loss doctrine. UCC 2-725 generally sets a four-year limitation period that runs from tender of delivery, not from the date of loss.

Inter-Company ArbitrationArbitration

Binding arbitration between insurers, self-insureds and TPAs that replaces litigation for subrogation disputes, most often through Arbitration Forums. Each side files its contentions and evidence electronically, and arbitrators who are claim professionals from other member companies decide liability and damages. Awards are final with very limited review, so the liability argument and the evidence in the filing have to win on paper.

ISO ClaimSearchClaims Operations

Verisk's all-claims database, to which carriers across US P&C lines report their claims. A ClaimSearch match shows prior and related claims on the same person, vehicle or property, along with the other carriers involved. In subrogation work, matches surface the adverse carrier and policy for a third-party driver, prior damage and duplicate payments. Ishqkala reads ISO ClaimSearch match reports as one input to liability scoring.

J

Joint and Several LiabilityLegal Doctrine

A rule that lets the plaintiff collect the full judgment from any one defendant that shares responsibility for an indivisible injury, leaving that defendant to seek contribution from the others. For a subrogating carrier, it means a solvent, well-insured defendant can answer for an insolvent co-defendant's share. Most states have abolished or limited the rule, often keeping it only above a fault threshold or for economic damages.

Joint Lab ExaminationEvidence

A scheduled examination of preserved evidence, such as a failed supply line, appliance or vehicle component, at a laboratory with every potentially responsible party invited on written notice. The parties agree on a written protocol that starts with non-destructive steps such as photography and X-ray before any disassembly, consistent with ASTM E860. Testing without notice to the other side invites a spoliation defense.

L

Last Clear ChanceLegal Doctrine

An exception in contributory negligence jurisdictions that lets a negligent plaintiff recover if the defendant had the final opportunity to avoid the harm and failed to take it, such as a driver who saw a stalled vehicle ahead in time to stop. For subrogation in the remaining contributory negligence jurisdictions, it can rescue a claim that the insured's own slight fault would otherwise bar.

Loss RatioFinancial

Incurred losses, usually including loss adjustment expense, divided by earned premium. Subrogation and salvage recoveries are credited against incurred losses, so every recovered dollar lowers the loss ratio. That is why subrogation directors report results in loss ratio points as well as dollars: recoveries are non-premium cash that improve underwriting results without a rate filing.

M

Made-Whole DoctrineLegal Doctrine

An equitable rule that an insurer may not take subrogation proceeds until its insured has been fully compensated for the loss, including the deductible and other uninsured damages. States split on whether clear policy language can override it, and some apply it only to certain lines of coverage. When a recovery falls short of total damages, the doctrine decides who gets paid first.

Med-Pay SubrogationClaims Operations

Recovery of medical payments coverage, which an auto or premises policy pays regardless of fault, from the at-fault party or its liability carrier. The right depends heavily on state law: some states restrict or bar med-pay subrogation, and the made-whole doctrine and attorney fee sharing rules often reduce what the carrier keeps. Disputes between signatory carriers can be filed in the AF Medical Payment forum.

Modified Comparative Negligence (50% Bar)Legal Doctrine

A fault system in which a plaintiff recovers damages reduced by its share of fault, but is barred entirely once its fault reaches 50%. An insured found equally at fault recovers nothing. Colorado, Georgia and Tennessee are among the states that apply this bar. For subrogation, a 50/50 liability split means a total loss of the recovery, so liability evidence near the line carries the most weight.

Modified Comparative Negligence (51% Bar)Legal Doctrine

A fault system in which a plaintiff recovers damages reduced by its share of fault as long as its fault is not greater than the defendant's, so recovery is barred at 51% or more. An insured found 50% at fault still recovers half its damages. Texas, Illinois, New Jersey and, since 2023, Florida follow this rule for most negligence actions.

N

Negligence Per SeLegal Doctrine

A doctrine under which violating a safety statute or regulation, such as a traffic law, building code or FMCSA rule, establishes duty and breach when the injured party is in the class the law protects and the harm is the kind it was meant to prevent. In some states the violation is only evidence of negligence. A citation for following too closely or failure to yield often anchors the liability section of an auto demand.

Negligent EntrustmentLegal Doctrine

Direct liability of a vehicle owner or employer who lets someone use a vehicle or equipment when it knew, or should have known, that the person was incompetent, unlicensed, impaired or reckless. Unlike vicarious liability, it rests on the owner's own fault, so it survives the Graves Amendment. Typical evidence includes the driver's motor vehicle record, license status and the owner's hiring or rental screening.

Net Incurred LossesFinancial

Losses paid plus the change in loss reserves for a period, net of reinsurance recoverables and of salvage and subrogation. Under statutory accounting, carriers may reduce loss reserves for anticipated salvage and subrogation, so a credible recovery pipeline affects reported results before the cash arrives. Net incurred losses are the numerator of the loss ratio, which is where subrogation shows up in the financial statements.

NFPA 921Evidence

NFPA 921, Guide for Fire and Explosion Investigations, published by the National Fire Protection Association, sets out the scientific method for fire origin and cause work: systematic scene documentation, data collection, and hypotheses tested against that data. Courts routinely measure expert fire testimony against it. A cause opinion that skips its steps is exposed to a Daubert or Frye challenge, which can end a fire subrogation case.

Notice of ClaimLegal Doctrine

A written pre-suit notice that many states and municipalities require before a claim can be brought against a public entity, often with a much shorter deadline than the statute of limitations. New York General Municipal Law 50-e, for instance, generally requires notice within 90 days after the claim arises. A missed notice can bar a recovery against a city bus or a negligent road crew regardless of liability.

O

Origin and CauseEvidence

The two determinations at the center of a fire investigation: the origin, meaning where the fire started, and the cause, meaning the fuel, ignition source and circumstances that brought them together. NFPA 921 classifies causes as accidental, natural, incendiary or undetermined. An accidental cause traced to a specific product, contractor or utility is what turns a fire claim into a subrogation file.

P

PIP / No-FaultClaims Operations

Personal injury protection, the first-party auto coverage that pays medical bills, lost wages and related expenses regardless of fault in no-fault states such as New York, Michigan and Florida. No-fault laws restrict tort suits and often limit PIP recovery. New York, for instance, allows loss transfer under Insurance Law 5105 only when a vehicle over 6,500 pounds unloaded or a for-hire vehicle is involved, through mandatory arbitration.

Pro Rata RecoveryFinancial

A distribution of a partial subrogation recovery in proportion to each party's share of the loss. If an insured carried a $1,000 deductible on a $10,000 loss and the carrier recovers $6,000, a pro rata split returns $600 to the insured and keeps $5,400 for the carrier. State regulations and the made-whole doctrine decide whether pro rata sharing applies or the insured is paid first.

Product LiabilityLegal Doctrine

The body of law that holds manufacturers, distributors and sellers responsible for injuries and property damage caused by defective products. Claims rest on three defect types (manufacturing, design and failure to warn) and three theories (strict liability, negligence and breach of warranty). In property subrogation, appliance fires and failed plumbing components are the typical files, and statutes of repose are a frequent trap.

Property Subrogation Arbitration AgreementArbitration

The Arbitration Forums agreement under which signatory companies forgo litigation and arbitrate property subrogation disputes with one another, such as a fire or water loss traced to another signatory's insured. Compulsory jurisdiction applies up to $100,000 in total company-paid damages. The agreement carves out certain claims, including those where the payment is or may be in excess of the responding company's policy limits.

Pure Comparative NegligenceLegal Doctrine

A fault system in which a plaintiff's damages are reduced by its percentage of fault but never barred, so a party 90% at fault still recovers 10% of its damages. California, New York and Washington follow it. For subrogation, every share of adverse fault has value, which makes low-liability files worth pursuing that would be abandoned in a modified or contributory negligence state.

R

Recovery YieldFinancial

The share of reviewed claims that contain an actionable, enforceable subrogation opportunity, the core metric of a closed-claim audit. On 30,000 closed claims, a 2.2% yield means roughly 660 unpursued files. Ishqkala reports yield by line of business, adjuster and closing reason, alongside dollar yield: net recoverable dollars as a share of paid losses on the files reviewed.

Release and SettlementClaims Operations

The agreement in which a claimant accepts payment and releases the responsible party from further liability. A release the insured signs after the carrier has paid can destroy the carrier's subrogation rights and may give the carrier a claim against its own insured. A tortfeasor or adverse carrier that settles with knowledge of the subrogation interest generally gets no protection against the subrogated insurer's claim.

Reservation of RightsClaims Operations

A letter in which an insurer agrees to investigate or defend a claim while preserving its right to deny coverage later on stated grounds. On the recovery side, an adverse carrier's reservation of rights signals that its insured's policy may not respond, which changes collectability and may push the subrogating carrier to pursue the tortfeasor directly or look for other coverage.

Respondeat SuperiorLegal Doctrine

The doctrine that makes an employer vicariously liable for torts an employee commits within the scope of employment. A delivery driver's collision on route or a plumber's negligent install on the job makes the employer, and usually its commercial carrier, the target of the recovery. Scope of employment disputes center on frolic and detour, commuting, and whether the worker is really an independent contractor.

S

SalvageFinancial

The damaged property an insurer takes title to after paying a total loss, and the proceeds from selling it, usually at auction. Salvage proceeds reduce net incurred losses alongside subrogation. The two compete in practice: a totaled vehicle or failed appliance sent to auction before inspection can destroy the evidence a subrogation claim depends on, so files with recovery potential need a salvage hold.

Several LiabilityLegal Doctrine

A rule under which each defendant pays only its own percentage of fault, and the plaintiff cannot collect one defendant's share from another. Under several liability, the subrogating carrier carries the risk that a co-defendant is uninsured or insolvent, so identifying and pursuing every responsible party, including nonparties that may be placed on the verdict form, matters more.

Sovereign ImmunityLegal Doctrine

The principle that a government cannot be sued without its consent. Federal, state and local governments waive it only in part, through tort claims acts that impose notice requirements, damage caps and exceptions such as discretionary functions. Recoveries against a municipal bus, a state highway department or a federal vehicle depend on finding the applicable waiver and meeting its procedural deadlines.

SpoliationEvidence

The destruction, alteration or failure to preserve evidence when litigation is pending or reasonably foreseeable. For a subrogating carrier, discarding a failed supply line, selling a vehicle before its event data recorder is downloaded, or repairing a fire scene before defendants inspect it can lead to an adverse inference instruction, exclusion of expert testimony or dismissal. Timely preservation and joint-exam notice letters are the standard protection.

Statute of LimitationsLegal Doctrine

The deadline for filing suit, which for property damage and bodily injury claims usually runs from the date of loss, not the date the insurer paid. A subrogated carrier inherits its insured's deadline, so a claim paid late in the period may have little time left. Municipal notice deadlines and contractual limitation periods can run shorter. Ishqkala tracks each claim's controlling deadline by state and legal theory.

Statute of ReposeLegal Doctrine

A fixed outer limit on suits that runs from a defined event, such as a product's sale or substantial completion of construction, regardless of when the loss occurs or is discovered. Texas, for instance, sets a 15-year product liability repose period in Civ. Prac. & Rem. Code 16.012. Unlike limitation periods, repose periods are rarely tolled, so an older water heater or roof can be beyond reach.

Strict LiabilityLegal Doctrine

Liability without proof of negligence. In product cases, Restatement (Second) of Torts 402A, widely adopted by state courts, makes a seller of a product in a defective condition unreasonably dangerous liable for the harm it causes even if the seller exercised all possible care. The subrogating carrier must still prove the defect, that it existed when the product left the defendant's control, and causation.

SubrogationLegal Doctrine

The insurer's right, after paying a covered loss, to step into its insured's position and recover that payment from the third party responsible for the loss. The insurer has the same rights and is subject to the same defenses as the insured, including comparative fault and the statute of limitations. Subrogation keeps the loss on the party that caused it instead of on the premium pool.

Subrogation ReceiptClaims Operations

A document the insured signs when accepting a claim payment, acknowledging the amount and transferring to the insurer the insured's rights of recovery against responsible third parties up to that amount. It usually also commits the insured to cooperate with the recovery and to avoid any release that would impair it. It creates conventional subrogation and leaves a clean record of the carrier's interest.

T

TollingLegal Doctrine

Suspending or extending a limitation period. Statutory tolling commonly applies to minors, legal incapacity and a defendant's absence from the state, and equitable tolling may apply when a defendant concealed the claim. Parties can also sign a written tolling agreement to keep negotiating without filing suit. Never assume tolling applies to a subrogation claim: get the agreement signed before the deadline passes.

Tort Claims ActLegal Doctrine

A statute in which a government waives sovereign immunity for certain torts on its own terms. The Federal Tort Claims Act requires an administrative claim, usually on Standard Form 95, within two years before any suit. State acts vary widely: the California Government Claims Act, for instance, requires presentment within six months for property damage and personal injury claims. Many state acts also cap damages.

TortfeasorLegal Doctrine

The person or entity that committed a tort and is legally responsible for the resulting loss, such as the at-fault driver, the plumber who cross-threaded a fitting or the manufacturer of a defective appliance. In subrogation, the tortfeasor and its liability carrier are the recovery targets. Several tortfeasors may share one loss, with each one's exposure set by the state's fault and joint liability rules.

V

Vicarious LiabilityLegal Doctrine

Liability imposed on one party for another's tort because of the relationship between them, without fault of its own. Common forms are respondeat superior for employers, owner liability statutes for vehicle owners, and principal and agent liability. Vicarious liability often reaches the better-insured defendant, such as a fleet owner rather than its driver, though the Graves Amendment removes it for rental and leasing companies.

W

Waiver of SubrogationLegal Doctrine

A contract clause in which a party gives up its right, and its insurer's right, to recover from another party for covered losses. Waivers are common in commercial leases, AIA construction contracts and service agreements, and most policies permit a waiver signed before the loss. A valid waiver ends the recovery, so leases, contracts and endorsements such as NCCI WC 00 03 13 belong early in any file review.

Workers' Compensation LienLegal Doctrine

The statutory right of an employer or its workers' compensation carrier to be repaid from an injured employee's recovery against a third party, such as an at-fault driver or an equipment manufacturer. Most states also let the carrier pursue the third party itself if the employee does not, and give it a credit against future benefits. Statutes typically reduce the lien by a share of the employee's attorney fees and costs.

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