Introduction

Directors & Officers (D&O) liability insurance in Canada protects individual directors and officers and, in some cases, their organizations against alleged wrongful acts in managing the company. This page defines core features—Side A/B/C, Side‑A Difference‑in‑Conditions (DIC), run‑off (tail), and Canadian‑specific exposures including Canada Revenue Agency (CRA) director liability and the corporate oppression remedy—so buyers can compare wordings and structure programs confidently. For a high‑level overview of D&O, see Summit’s Canadian D&O page at Directors & Officers Insurance.

Important: This is general information for Canadian organizations outside Quebec; it is not legal advice. Coverage depends on specific policy wording and facts.

How D&O Works in Canada (claims‑made form)

D&O policies are typically claims‑made and reported: coverage is triggered when a claim alleging a wrongful act is first made against an insured and reported to the insurer during the policy period (or extended reporting period).
“Insureds” generally include natural‑person directors and officers, and sometimes employees serving in an executive capacity, plus the insured organization for certain insuring agreements (e.g., Side C for securities claims, where available).
Corporate indemnification interacts with D&O: Canadian corporations can and often do indemnify directors/officers to the extent permitted by corporate law and bylaws; D&O is designed to respond when indemnification is unavailable or to reimburse the corporation when it indemnifies.

Side A/B/C: precise definitions and use cases

The three core insuring agreements are commonly described as follows:

Side	Who is insured	Common trigger	What it pays	Typical notes
Side A	Individual directors and officers (no retention)	The organization cannot legally or financially indemnify the individual	Defence costs and loss for individuals only	Paid directly to individuals; often non‑indemnifiable loss; no corporate balance sheet involved
Side B	The organization (as indemnitor)	The organization indemnifies a director/officer and seeks reimbursement	Reimburses the organization for indemnification paid	Usually subject to a retention borne by the organization
Side C	The organization itself	Securities claims against a publicly traded entity (in Canada, commonly limited to “securities claims”)	Defence costs and loss of the entity for covered securities matters	Adding Side C can create competition for limits with Side A/B in large claims

Citations: industry‑standard D&O structures and terminology; see Summit overview Directors & Officers Insurance.

Side‑A DIC (Difference‑in‑Conditions) explained

What it is: A Side‑A‑only excess policy with broader terms that “drops down” if the primary or underlying D&O cannot respond (e.g., insolvency of the organization or an underlying insurer, rescission, or a broad exclusion in the underlying policy).
Why it matters in Canada: It fortifies protection for individuals when corporate indemnification is unavailable (bankruptcy/receivership) or when underlying insurers deny on certain exclusions. Side‑A DIC is commonly written as non‑rescindable for innocent insured persons and may include fewer exclusions than the primary policy.
Program design tip: Stagger Side‑A DIC layers with different carriers to diversify counterparty risk at the individual‑protection level.

Run‑off (tail) and change‑in‑control

Definition: When a “change in control” occurs (e.g., acquisition, merger, or receivership), most D&O policies convert to run‑off, covering only wrongful acts committed before the transaction’s closing. New acts post‑closing require a new policy.
Tail/ERP: An extended reporting period (ERP) lets insureds report post‑closing claims that allege pre‑closing wrongful acts. Private and not‑for‑profit deals in Canada often purchase 3–6 years of run‑off; many lenders and buyers request six years for public entities.
Practical steps: Lock pricing and terms for the run‑off endorsement as part of the deal checklist; ensure continuity of coverage for former directors after resignation.

CRA director liability (tax source deductions and GST/HST)

Personal exposure: Under Canadian statutes, directors can be jointly and severally liable for a corporation’s unremitted source deductions and certain consumption taxes, subject to a due‑diligence defence and other statutory conditions. Key provisions include: Income Tax Act, s. 227.1 (source deductions); Excise Tax Act, s. 323 (GST/HST); Canada Pension Plan, s. 21; Employment Insurance Act, s. 83.
Limitation period: Proceedings generally must be commenced within two years after the individual ceased to be a director (subject to statutory nuances).
Insurance treatment: D&O policies typically exclude payment of taxes, fines, and penalties; however, they may cover defence costs for insured persons responding to CRA assessments or related civil actions, subject to the policy’s definitions, exclusions, and allocation language. Confirm whether any “taxes/penalties” exclusion includes a defence‑cost carve‑back for insured persons.
Governance note: Meticulous payroll remittance controls, board‑level oversight of trust accounts, and documented diligence are essential to preserve the statutory due‑diligence defence.

Sources cited in text: Income Tax Act s. 227.1; Excise Tax Act s. 323; Canada Pension Plan s. 21; Employment Insurance Act s. 83; CRA administrative guidance.

Oppression remedy exposure (CBCA and provincial counterparts)

What it is: The oppression remedy allows a court to grant relief where corporate conduct is oppressive, unfairly prejudicial to, or unfairly disregards the interests of complainants (e.g., security holders, creditors, or directors). Key references: Canada Business Corporations Act (CBCA), s. 241; Ontario Business Corporations Act (OBCA), s. 248; British Columbia Business Corporations Act (BCBCA), s. 227; Alberta Business Corporations Act, s. 242.
Why directors are named: Canadian courts can hold directors personally liable in appropriate cases, making the oppression remedy a frequent driver of Canadian private‑company D&O claims.
Insurance treatment: D&O may respond with defence costs and, if insurable at law and not otherwise excluded (e.g., fraud after final adjudication), settlements or judgments. Pay close attention to “conduct exclusions” (fraud, deliberate illegal acts, personal profit) and whether they require final, non‑appealable adjudication before applying. Ensure severability protects innocent insureds.

Common exclusions and Canadian carve‑backs to review

Taxes, fines, and penalties (seek defence‑cost carve‑backs for insured persons).
Bodily injury/property damage (look for securities‑claim carve‑backs and “mental anguish” carve‑backs where relevant for Side C in public companies).
Prior acts/prior notice (confirm retroactive date and treatment of related claims).
Insured vs. insured (seek carve‑backs for derivative demands, whistleblower claims, or bankruptcy trustees/receivers).
Pollution (some policies provide defence‑cost carve‑backs for shareholder claims).
ERISA/pension—handled under fiduciary liability rather than D&O; in Canada, review separate pension/fiduciary coverage as applicable.

Building a Canadian D&O program: practical checklist

Calibrate Side A limits to director personal exposure; avoid relying solely on Side C capacity.
Add Side‑A DIC excess layers for insolvency and denial‑of‑coverage scenarios.
Negotiate non‑rescindable Side A, robust severability, and “final adjudication” conduct exclusions.
For M&A or restructurings, pre‑arrange multi‑year run‑off and confirm who is a “past director” and how notices will be handled post‑closing.
For private and not‑for‑profit entities, assess oppression‑remedy and creditor‑driven scenarios; for public issuers, model securities‑class exposure to avoid Side‑C limit erosion of Side A/B.
Coordinate with separate policies (cyber, crime, fiduciary) to avoid gaps or double insurance.

How Summit helps

Summit curates Canadian D&O programs across industries, comparing carrier wordings for Side A/B/C scope, Side‑A DIC features, run‑off terms, and critical carve‑backs. Start with our overview: Directors & Officers Insurance, or contact us to review policy language and benchmarking for your stage and sector.

— Last updated: November 6, 2025