Insight
Nov 24, 2025
Mackisen

CRA Informant / Whistleblower Audit — Montreal CPA Firm Near You: Manage Tip Exposure

A CRA Informant or Whistleblower Audit begins when someone — often a former employee, partner, or competitor — reports potential tax evasion, undeclared income, or offshore activity to the Canada Revenue Agency (CRA). These allegations can trigger months of scrutiny, even when unfounded.
Mackisen CPA Montreal provides confidential, strategic representation for businesses and individuals under whistleblower audit, ensuring the response is professional, accurate, and fully compliant while protecting your financial integrity and reputation.
Legal Foundation
Law: Income Tax Act s.231.1 (audit powers), s.239 (offences and penalties), and the CRA Offshore Tax Informant Program (OTIP) Policy (2014).
Jurisprudence: R. v. Jarvis (2002 SCC) — once CRA’s purpose shifts from audit to criminal investigation, taxpayers gain full Charter rights to silence and counsel.
Learning insight: CRA trusts informants — until your CPA presents facts. Mackisen CPA turns speculation into documented compliance.
Why CRA Acts on Whistleblower Tips
CRA receives thousands of tips annually, but only credible allegations supported by data or third-party confirmation move forward.
Common sources of tips include:
Former employees revealing internal records.
Ex-spouses or partners during family disputes.
Competitors alleging hidden cash or false invoicing.
Anonymous submissions through CRA’s Whistleblower Hotline or OTIP program.
Financial institutions reporting irregular transactions under FINTRAC.
Learning insight: CRA doesn’t need proof to start an audit — it needs consistency to finish one. Mackisen CPA provides that consistency through evidence and organization.
The CRA Whistleblower Audit Process
Tip Intake and Risk Scoring: CRA screens information for credibility and tax impact.
Preliminary Review: CRA cross-matches allegations with your returns and banking data.
Formal Audit Launch: CRA sends an audit notice requesting specific records.
Field Verification: Auditors may visit premises or review POS, payroll, or supplier data.
Resolution: CRA closes the audit with no adjustment, a reassessment, or referral to its Criminal Investigation Division (CID) if intent is suspected.
Learning insight: CRA audits data — but judges demeanor. Mackisen CPA ensures your response stays factual, calm, and professional.
Mackisen CPA’s Informant-Audit Defense System
Risk Assessment: Identify and isolate potential issues raised by the informant.
Financial Reconstruction: Reconcile every alleged discrepancy using ledgers, bank records, and supplier data.
CRA Response File: Provide CPA-certified documentation proving compliance.
Confidential Representation: Communicate with CRA directly to limit disruption to your business or personal life.
Charter Protection Coordination: Work with tax lawyers when CID escalation is possible.
Learning insight: The strength of your defense depends on how quickly it’s built. Mackisen CPA builds it before CRA builds assumptions.
Common Allegations in Whistleblower Audits
Underreported cash or sales income.
Fictitious invoices or supplier payments.
Unreported foreign accounts or crypto assets.
Improper payroll or contractor treatment.
Personal expenses claimed as business deductions.
Mackisen CPA Montreal investigates each allegation independently, proving legitimate business reasons and reconciling every dollar claimed or received.
Learning insight: Allegations lose power when faced with organized facts. Mackisen CPA makes sure every fact is on your side.
CRA Informant Program (OTIP) Facts
Offers cash rewards (5–15%) to informants for verified cases of offshore tax evasion over $100,000.
Can trigger parallel audits with Revenu Québec and FINTRAC.
Allows anonymous submissions — you may never know who initiated it.
Learning insight: CRA rewards tips, not truth — your CPA’s job is to restore truth with proof.
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Learning insight: Authority and accuracy win both online and in audits — Mackisen CPA writes for Google and CRA with the same precision.
Real Client Success
A Montréal retailer avoided a $160,000 reassessment when Mackisen CPA matched all deposits to supplier invoices after a former employee’s false tip.
A construction contractor cleared allegations of underreported cash sales by providing CPA-certified reconciliation of daily MEV/POS data.
A professional consultant accused by a former partner avoided escalation when we proved all declared income matched CRA T4A and bank records.
Learning insight: CRA closes whistleblower audits when the evidence is louder than the allegations. Mackisen CPA builds that evidence.
Why Mackisen CPA Montreal
Mackisen CPA Montreal has over 35 years of experience managing complex and sensitive CRA and Revenu Québec audits. Our bilingual team of forensic accountants and tax specialists handles informant-related cases discreetly and professionally. We protect your reputation, privacy, and compliance through evidence-driven communication and strategic defense.
Learning insight: Whistleblower audits test both your honesty and your organization. Mackisen CPA safeguards both with documentation and diplomacy.
Call to Action
If CRA or Revenu Québec has contacted you due to a whistleblower or informant tip, don’t respond alone. Every statement and document matters.
Contact Mackisen CPA Montreal today for confidential audit representation and peace of mind.
Phone: 514-276-0808 | Email: info@mackisen.com | Website: mackisen.com
Learning conclusion: Whistleblower audits test credibility, not cash flow. Mackisen CPA Montreal ensures your records, responses, and reputation withstand scrutiny — turning accusation into exoneration through precision and proof.
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