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Understanding the Difference Between Provisional and Final Tax Assessments

Learn the key differences between provisional and final tax assessments, how they work, and what you can do to avoid surprises at the end of the fiscal year.
January 6, 2025 by
Understanding the Difference Between Provisional and Final Tax Assessments
Linda Pavan
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When it comes to taxes, one of the most common sources of confusion is the difference between provisional assessments and final assessments. It’s something I see often—people assume the provisional assessment is the final amount they owe for the year, only to be caught off guard later when they have to pay more (or receive a refund).

The key thing to understand is this: the provisional assessment is only an estimate, while the final assessment reflects the actual amount you owe based on your declared income or profit for the fiscal year. Let’s dive deeper into how they work and what you can do to manage them effectively.

AUTHOR : Linda Pavan

Co-Founder of Xtroverso | Financial Strategist

Linda Pavan brings precision and expertise to Xtroverso, specializing in financial and tax solutions. Her dedication to empowering businesses ensures every decision is backed by clarity and confidence.​


Provisional Assessment: What Is It?

A provisional assessment is issued by the tax office based on an estimate of your taxable income or profit for the current year. This estimate is often based on your previous year’s income, or other information the tax office has about your financial situation.

It’s a way to spread your tax payments throughout the year rather than paying a large lump sum when the fiscal year is over. However, because it’s an estimate, it’s not set in stone—your actual tax liability will be finalized after the year ends.

Can I Adjust My Provisional Assessment?

Yes, absolutely! If you realize your actual profit will be significantly higher or lower than the estimate, you can request an adjustment.

  • Lower than expected profits? You can reduce your provisional assessment and pay less in advance.
  • Higher than expected profits? You can increase your payments to avoid a larger bill when the final assessment is issued.

Adjusting your provisional assessment can help you stay on top of your cash flow and reduce financial surprises.

Payment Terms: Timing Matters

The timing of when you receive your provisional assessment determines how many installments you’ll have to pay the total amount. Here’s how it works:

  • If you receive your provisional assessment in February: You’ll have 11 months to pay, spreading the amount into smaller, more manageable installments from February to December.
  • If you receive it in November: You’ll only have two months to pay, as the full amount must be paid by December 31st.

This is why it’s always a good idea to request a provisional assessment as early as possible if you’re expecting one.

Final Assessment: The Reconciliation Stage

At the end of the fiscal year, once your tax return is submitted, the tax office will issue a final assessment. This is where everything is reconciled:

  • If your actual profit is higher than the provisional assessment, you’ll need to pay the difference.
  • If your actual profit is lower, the tax office will refund the amount you overpaid.

This final step ensures your taxes reflect your true financial situation for the year.

Need Help Managing Your Tax Assessments?

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