CRA Process and Compliance

CRA process terms for notices, reviews, filing deadlines, instalments, balances owing, and post-filing follow-up.

CRA Process and Compliance covers the language people encounter once a return is filed or when the CRA asks for more action.

Use This Section When

  • the return was already filed and the CRA responded
  • you need to understand a notice, reassessment, balance owing, or instalment issue
  • the question is about what happens after filing rather than how to fill out the return itself

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In this section

  • Filing and Payment
    Post-filing payment terms covering deadlines, instalments, balances owing, and missed-date consequences.
    • Filing Deadline
      Filing deadlines set the last date a return or required filing must reach the CRA, which is not always the payment due date.
    • Instalment Payment
      Instalment payments are in-year tax prepayments used when withholding is not expected to cover the final bill.
    • Tax Balance Owing
      Tax balance owing is the amount still payable after income, deductions, credits, and prior payments are reconciled.
  • Notices and Reviews
    CRA notice and review terms used when a filed return is assessed, reviewed, or changed.
    • CRA Notice
      CRA notice is a broad label for CRA communications, from assessments and review letters to balance messages and other account notices.
    • Notice of Assessment
      The Notice of Assessment is the CRA's first formal result after a return is processed, showing the assessed outcome and key carryforwards.
    • Reassessment
      A reassessment changes an earlier CRA assessment after new information, a review, or an adjustment request.
    • Review Letter
      A CRA review letter requests records or explanations before the CRA confirms or changes a filed amount.
Revised on Friday, April 24, 2026