13.5 Workers Comp Exclusions and Endorsements

Key Takeaways

  • Conduct that bars a workers comp claim is narrow: intoxication/drugs as the proximate CAUSE of injury, intentional self-inflicted injury, and injury during INITIATED horseplay or fighting started by the worker.
  • Injuries arising out of and in the course of employment (the AOE/COE test) are covered; the coming-and-going rule generally excludes ordinary commute injuries unless a special-mission or paid-travel exception applies.
  • The Voluntary Compensation endorsement extends comp-style benefits to workers NOT required by statute to be covered (e.g., certain farm or domestic workers) without admitting they are statutory employees.
  • Sole proprietors, partners, and executive officers are often excluded by default and must elect IN; independent contractors are excluded unless they are really employees by control test.
  • Key endorsements: Voluntary Compensation (WC 00 03 11), Foreign Voluntary, USL&H (WC 00 01 06), Waiver of Subrogation, and the Sole Proprietors/Partners/Officers inclusion-exclusion endorsement.
Last updated: June 2026

The Coverage Test: AOE/COE

Benefits apply only to injuries that arise out of and in the course of employment (AOE/COE) — the injury must be connected to the job (AOE) and occur while the worker is performing job duties (COE).

  • Covered: injuries on the premises during work, work-related travel, and occupational disease from job exposure.
  • Coming-and-going rule: an ordinary commute to and from work is generally not covered, because the worker is not yet in the course of employment.
  • Exceptions to coming-and-going: a special mission/errand for the employer, employer-paid travel time, and no fixed workplace (traveling employees) bring the commute back into coverage.

Conduct Exclusions That Bar a Claim

Because comp is no-fault, exclusions are narrow. The tested conduct that defeats a claim:

ExclusionTrigger
Intoxication / drugsOnly when it is the proximate cause of the injury (mere presence of alcohol is not enough)
Intentional self-injuryWorker deliberately injures himself or commits suicide
Initiated horseplay / fightingThe injured worker started the horseplay or was the aggressor in a fight
Willful violation of safety / refusal of safety deviceSome states reduce or bar benefits

Trap: a worker who had one drink but was injured by a falling object is still covered — intoxication must be the cause. An innocent victim of someone else's horseplay is also covered; only the initiator is barred.

Who Is and Is Not an Employee

Coverage follows the employee definition; status drives whether a worker is included:

  • Sole proprietors, partners, and executive officers/LLC members are frequently excluded by default and must file an election to be included, subject to minimum/maximum payroll caps.
  • Independent contractors are excluded — but if the right-of-control test shows they are really employees (employer sets hours, methods, tools), they must be covered and the audit will add their payroll.
  • Casual/domestic/agricultural workers are excluded in many states unless voluntarily added.

Uninsured-subcontractor exposure: if a general contractor hires an uninsured sub, the GC's policy often picks up the sub's employees as statutory (borrowed) employees, and the GC's audit charges premium on that payroll.

Broadening Endorsements

Endorsements adjust who and where coverage applies:

EndorsementFormEffect
Voluntary CompensationWC 00 03 11Pays comp-style benefits to workers NOT required to be covered by statute (e.g., farm/domestic), without admitting they are statutory employees; if the worker rejects benefits and sues, it converts to Employers Liability
Foreign Voluntary Comp(foreign endt.)Covers U.S. employees temporarily working abroad, plus repatriation and 24-hour coverage
USL&HWC 00 01 06Adds federal maritime no-fault benefits (see 13.4)
Waiver of SubrogationWC 00 03 13Insurer gives up its right to recover from a named third party (often a contract requirement)
Sole Proprietors/Partners/Officersinclusion-exclusion endt.Elects owners/officers in or out of coverage

Voluntary Compensation Mechanics

The Voluntary Compensation endorsement is heavily tested. It is used when a worker is not subject to the comp law (so the employer is not legally required to provide statutory benefits) but the employer wants to offer them anyway.

  • The insurer offers the injured worker comp-scale benefits under the listed state's schedule.
  • If the worker accepts, benefits are paid as if the comp law applied.
  • If the worker rejects the offer and sues the employer instead, the claim shifts to Part Two Employers Liability (subject to its limits).

Worked scenario: A ranch hand in a state that exempts agricultural labor is hurt. With Voluntary Compensation, the insurer offers state-schedule benefits. The hand accepts $600/week wage benefit and full medical — no lawsuit, no fault dispute. Without the endorsement, the worker's only path would have been a negligence suit.

The AOE/COE Coverage Gate

Every WC claim must clear the AOE/COE test — the injury must arise out of employment (a causal work connection) and occur in the course of employment (time, place, activity of the job). An injury failing either prong is not compensable, which is why off-premises commuting, personal deviations, and recreational horseplay are commonly denied.

Who Is and Is Not an Employee

Usually coveredUsually excluded / optional
Full- and part-time employeesIndependent contractors (true 1099)
Borrowed/leased employees (per state)Sole proprietors/partners (may elect in)
Minors (often double benefits if illegally employed)Some domestic/agricultural workers (state-dependent)
Corporate officers (often, may opt out)Volunteers (unless statute includes)

Misclassifying an employee as an independent contractor to avoid premium is premium fraud and a tested unfair practice.

Key Endorsements Recap

EndorsementPurpose
Voluntary CompensationPays benefits as if comp applied to workers not subject to the act (preventing tort suits)
Longshore (USL&H)Adds federal maritime coverage
Foreign VoluntaryCovers employees traveling/working abroad
Waiver of SubrogationInsured waives recovery against a specified party (often required by contract)

Voluntary Compensation is frequently tested: it does not make the employee subject to the comp law; it offers the statutory benefit schedule in exchange for a release, avoiding a negligence suit by a worker the act does not cover.

Test Your Knowledge

Two employees engage in horseplay during a break: Worker A starts throwing boxes, and Worker B (who was not participating) is struck and injured. Under typical workers comp rules, who is eligible for benefits?

A
B
C
D
Test Your Knowledge

A landscaping company employs a household domestic worker who is exempt from the state's workers comp law. The employer wants to provide benefits if she is hurt. Which endorsement accomplishes this?

A
B
C
D