Insight

Nov 10, 2025

Mackisen

Post-Assessment Review — Montreal CPA Firm Near You: Fix Issues After Your Notice of Assessment (NOA)

A post-assessment review is a targeted CPA analysis performed after you receive a Notice of Assessment (NOA) from the Canada Revenue Agency (CRA) or Revenu Québec. Mackisen CPA Montreal reviews the assessment line by line to confirm or challenge amounts, identify missed deductions or credits, and prepare formal adjustments or objections when errors are found.

Law:
Income Tax Act (ITA) s.152(3.1) — allows taxpayers to request adjustments within the normal reassessment period.
ITA s.231.1 — grants CRA authority to inspect books and records but also limits arbitrary reassessment powers.

Jurisprudence:
Hickman Motors Ltd. v. Canada (Supreme Court of Canada, 1997) — confirmed that an assessment is presumed correct until the taxpayer provides supporting evidence to refute it.

Why it matters:
Receiving an NOA doesn’t mean the assessment is final. CRA and ARQ use automated data-matching systems that can misclassify income, deny legitimate deductions, or overlook updated slips. A Mackisen CPA post-assessment review ensures your response is fact-based, documented, and supported by law, maximizing refunds and minimizing penalties.

Ideal for:
Individuals and businesses who have received a Notice of Assessment or Reassessment, disagree with tax results, or need CPA support to correct an audit or data-entry error.

Contact:
Mackisen CPA Montreal — 514-276-0808 |

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Mackisen refers to Mackisen Global Limited (“MGL”) and its global network of member firms and associated entities collectively constituting the “Mackisen organization.” MGL, alternatively known as “Mackisen Global,” operates as distinct and independent legal entities in conjunction with its member firms and related entities. These entities function autonomously, lacking the legal authority to obligate or bind each other in transactions with third parties. Each MGL member firm and its associated entity assumes exclusive legal accountability for its actions and oversights, explicitly disclaiming any responsibility or liability for other entities within the Mackisen Organization. It is of legal significance to underscore that MGL itself refrains from rendering services to clients.