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Documenting Arm's Length Employment Status for PHSP Purposes

Proper documentation of employment status determines whether PHSP contributions are deductible.

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Cover illustration for “Documenting Arm's Length Employment Status for PHSP Purposes”
Audit Risk · October 16, 2026 · 11 min read · 2,402 words

Arm's length employment status is not one question. It is two. For a Private Health Services Plan (PHSP), that distinction decides whether employer contributions are deductible and whether benefits are taxable to the people who receive them. If you get this wrong, the documentation never answered the question CRA actually asked.

What arm's length employment status means in the PHSP context, and why it operates on two separate levels

The first level is an eligibility gate. For an unincorporated business, a self-insured PHSP exists only where there is at least one arm's length employee. Without that employee, CRA does not consider the arrangement a PHSP at all, and employer payments are not deductible.

The second level is a characterization question. For every shareholder-employee, whether the business is incorporated or not, benefits must arrive by virtue of employment rather than by virtue of shareholding. This test runs even where the eligibility gate is cleared.

The statutory grounding sits in section 251(1)(a) of the Income Tax Act, which deems related persons not to deal at arm's length. Related persons include individuals connected by blood, marriage, common-law partnership, or adoption, and a corporation and any person who controls it or is related to a controlling person. For unrelated persons, arm's length is not automatic. It is a question of fact at the time of the transaction. Courts have asked if one mind directed the bargaining for both parties, if the parties acted in concert without separate interests, and if one party had de facto control over the other.

Conflating these two levels is the root cause of most documentation gaps. A business owner proves the eligibility gate by pointing to an arm's length employee, then assumes the characterization question answers itself. It does not. Both levels turn on facts, so documentation is not administrative tidiness. It is the evidentiary record that decides whether the PHSP holds up.

Which business structures face which arm's length hurdles, and where documentation pressure falls hardest

A sole proprietor with at least one arm's length employee has cleared the eligibility gate. But the employment relationship with that employee must itself be genuine and documented. Arm's length status cannot be assumed from the absence of a family connection.

An incorporated business with a shareholder-employee and no other employees faces a different test. Eligibility does not depend on a separate arm's length employee the way it does for an unincorporated business. The characterization question becomes the central risk: whether benefits flow by virtue of employment or shareholding. CRA's current PHSP guidance notes that a plan for a one-person corporation may qualify when the shareholder actively works in the corporation's day-to-day operations and receives the benefit because of that employment, not simply because of share ownership.

The technical interpretations set the boundaries. CRA Technical Interpretation 2016-0633741C6 confirmed that a plan for a single arm's length employee, including coverage for that employee's spouse and household, can qualify as a PHSP. By contrast, CRA Technical Interpretation 2014-0521301E5 stated that a cost-plus plan for a sole employee-shareholder paying personal medical expenses through a solely owned corporation, without any risk assumed by the plan administrator, would not likely constitute a plan in the nature of insurance.

Where an incorporated business has both shareholder-employees and arm's length employees, the eligibility question is straightforwardly met. The characterization question still applies to the shareholder. Benefits must be comparable in nature and amount to what a non-shareholder employee of a similarly sized business performing similar services would receive. CRA External T.I. 2016-0635351E5 identified that the "by virtue of employment" test is met when the benefit is available to all employees of the corporation. Where all employees are shareholders or related to a shareholder, the test is met when the benefit is comparable in nature and amount to benefits generally offered to non-shareholder employees of similar-sized businesses performing similar services.

A family member working in the business sits in a category of its own. Neither a family connection nor the absence of one automatically resolves arm's length status. The documentation pressure falls hardest on the sole proprietor with exactly one arm's length employee, because that single relationship carries the entire eligibility gate.

Why the Tax Court's 2004 ruling on shareholder-only plans is the clearest illustration of what goes wrong without documentation

The 2004 Tax Court case demonstrates that a PHSP with real employees and a real plan document can still fail the characterization test. The problem was not the absence of paperwork. It was that the facts of how the plan was actually operated contradicted the employment framing. The Tax Court concluded it would be unlikely that the company would have entered into a contract to provide the particular cost-plus PHSP with an arm's length key employee, which meant the benefit was treated as a shareholder benefit rather than an employment benefit.

The lesson is not simply that a plan cannot be shareholders only. It is that when the plan's written terms, the class of eligible employees, and the history of claims all point to shareholder benefit rather than employment benefit, no amount of after-the-fact explanation repairs the record. The documentation that mattered was the one created as the plan operated.

This is what makes the case instructive. Documentation does not just prove compliance after the fact. It creates the contemporaneous record that determines how a plan is characterized if it is ever examined. The documentation practices described in the sections that follow are what prevent a similar characterization failure.

The written plan document: what it must establish before the first claim is submitted

A written plan document that predates the first claim is the single most important piece of evidence that a PHSP is a genuine pre-arranged employment benefit rather than a retroactive reimbursement of personal expenses. CRA's current PHSP guidance lists the required elements: the employer, eligible employees or employee classes, coverage for dependants, annual limits per class, eligible expenses, claim procedures, and the claim period. Employee classes are a critical feature. Different classes may receive different benefit levels, but the class structure must be documented in the plan and applied consistently each time. It cannot be constructed retrospectively to justify a particular shareholder's reimbursement level.

The plan document must show that benefits are available to employees as employees. If the class of eligible participants in the written plan is coextensive with shareholders, the plan document itself becomes evidence against the taxpayer. That is the direct lesson of the 2004 Tax Court case.

The "nature of insurance" requirement means the plan must express a genuine pre-commitment to cover future, uncertain medical expenses. A document signed after an expensive medical event has already occurred does not satisfy this, regardless of what it says. CRA's current PHSP guidance confirms the arrangement must cover future, uncertain medical expenses, not reimburse expenses after the fact without a prior obligation.

For shareholder-employees, CRA treats whether benefits are received by virtue of employment as a question of fact. The factors include active engagement as an employee and whether benefits are reasonable and comparable to arm's length employees. The plan document should explicitly tie eligibility to active employment, not to share ownership.

Documenting the arm's length employment relationship itself: what CRA looks at beyond the absence of a family tie

Arm's length status cannot be asserted. It must be supported by contemporaneous employment records that show the relationship would have existed on similar terms between unrelated parties. CRA reviews a combination of factors: remuneration paid, terms and conditions of employment including hours of work, duration of the work performed, and the nature and importance of the work performed.

For a family member employee, the test is whether CRA determines that two parties dealing at arm's length would have made a similar agreement. For an unrelated employee, arm's length should not be assumed without review. If the circumstances suggest a common mind directed the bargaining, the parties acted in concert, or one party exercised de facto control, arm's length may not exist even without a family connection.

The records that support arm's length status are concrete. Payroll records, pay stubs, and records of EFT or cheque payments showing regular, market-rate compensation. Evidence that the employee receives benefits under the plan on the same terms as the written plan specifies, not more favourable terms extended informally.

For a sole proprietor relying on a single arm's length employee to clear the PHSP eligibility gate, that documentation is load-bearing. If the employment is later found not to be at arm's length, the eligibility gate closes retroactively. CRA payroll records must be kept for six years from the end of the last tax year to which they relate.

The CPT1 ruling process as a pre-emptive documentation tool, and its risks

A formal CPT1 ruling from CRA can confirm whether a worker is an employee and whether employment is insurable. Either a worker or a payer can request one. The ruling shows whether a worker is an employee or self-employed, and whether employment is pensionable or insurable under CPP and EI.

In processing a CPT1, CRA contacts both worker and payer to discuss the working arrangement. It may request employment contracts and agreements, invoices, logs, work schedules, time sheets, pay stubs, and cancelled cheques. The ruling process is, in effect, an audit of the records described in the previous section.

A CPT1 ruling that confirms insurable employment strengthens the arm's length record. The Employment Insurance Act presumptively excludes employment between non-arm's length parties, subject to a rebuttable exception where the terms would have been substantially similar in an arm's length arrangement. Confirmation of insurability is therefore indirect confirmation of arm's length status.

The practical risk is that a ruling can result in further examination beyond the narrow question asked, including scrutiny of payroll, remittances, and the plan itself. Practitioners should assess whether the strength of the underlying records makes a ruling a net positive before requesting one. The CPT1 is most useful where the employment relationship involves a family member whose arm's length status is genuinely uncertain and whose documentation is already strong. It is not a way to validate a poorly documented arrangement.

How the "by virtue of employment" test requires ongoing documentation, not just a founding plan document

Passing the characterization test at plan inception is not enough. The "by virtue of employment" argument depends on a continuous operational record showing that the plan was administered consistently, claims were adjudicated independently, and shareholder benefits remained comparable to what an arm's length employee would receive. CRA expects claims to be processed independently of the employer's direct involvement. When an employer self-reviews or controls claims decision-making without external oversight, the arrangement risks being characterized as non-insurance. That undermines the PHSP qualification and the employment framing simultaneously.

Third-party administration is common because it creates an independent claims adjudication record. The paper trail shows that the employer did not select, approve, or direct individual reimbursements. The operational records that support the characterization include claims submitted through the plan's established process with receipts, dates, and provider information, claim decisions made by the administrator rather than by the employer-shareholder, and consistent application of plan limits across the employee class.

The comparability argument, that shareholder benefits are comparable to what non-shareholder employees of similar businesses performing similar services would receive, requires annual substantiation rather than a one-time assertion. Benefit levels should be reviewed and documented against market comparisons each plan year. The plan and its records should be revisited each year, not filed and forgotten.

The documentation gaps most likely to put a plan's tax treatment at risk

Most PHSP characterization failures trace to a small set of recurring gaps, each corresponding directly to a step in the documentation framework. The first gap is a plan document that post-dates the first claim. The "nature of insurance" requirement fails where the written plan is created after a known medical expense, because there is no pre-commitment to cover uncertain future expenses.

The second gap is a plan eligibility class coextensive with shareholders. The plan document itself becomes evidence that benefits flow by virtue of shareholding rather than employment. The 2004 Tax Court case is the clearest example.

The third gap is arm's length status of the qualifying employee assumed rather than documented. For a sole proprietor, if the single employee whose existence clears the eligibility gate turns out not to be genuinely at arm's length, the plan's deductibility collapses retroactively. For an incorporated business, a poorly documented related-party employment relationship undermines the "by virtue of employment" argument.

The fourth gap is benefit levels for the shareholder-employee that are not comparable to market. The fifth gap is claims adjudicated by the employer-shareholder directly. Self-adjudication by the plan's own beneficiary is inconsistent with the "nature of insurance" requirement and signals a non-arm's length arrangement in the claims process itself.

A practical documentation checklist organized by the timeline of a PHSP's life

Documentation gaps arise at transitions, not in steady state. For any employee whose status is uncertain, particularly a family member, assemble the employment contract, compensation records, and work logs that would support a CPT1 ruling if one were sought. For a sole proprietor, confirm that at least one arm's length employee exists and will be included before relying on HSA deductibility.

At plan inception, before the first claim, execute a written plan document identifying the employer, eligible employee classes, dependants, annual limits by class, eligible expenses, claim procedures, and the plan period. For a shareholder-employee, document the active employment role and the basis for the benefit level, with reference to what comparable non-shareholder employees in similar businesses receive. CRA's PHSP compliance checklist provides a reference for the required plan elements. Review each item before the plan is adopted.

During each claim year, submit claims through the established process with receipts, provider information, and dates. Track claims by employee class and confirm that plan limits are applied consistently. Maintain payroll records, T4s, and records of statutory deductions for each employee covered by the plan.

At annual close, produce a summary of claims paid by employee class confirming the "all or substantially all" test was met. File annual reports as required by the plan's terms and retain all plan, claims, and employment records for the required retention period. Revisit the plan document and employee classifications, because changes in the business, new employees, departing employees, changes in ownership, can affect both the eligibility and the characterization analysis and should be documented when they occur.

Sources

  1. Private Health Services Plan (PHSP) Canada: CRA Rules and Eligibility
  2. Employee who is a family member or a related person - Canada.ca
  3. 3 May 2016 CALU Roundtable Q. 6, 2016-0633741C6 - PHSP-sole employee dealing at arm's length
  4. Not dealing at arm's length for purposes of the Employment Insurance Act (EIA) - Canada.ca
  5. Employers’ Guide
  6. Can a Sole Proprietor Get an HSA in Canada? Complete Guide
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