Refund request form

If you have a credit balance on your WSIB business account and you’re up-to-date with reporting your payroll and paying your premiums, you may request a refund cheque by completing this form. You may have a credit balance for several reasons, including overpayments, premium adjustments, reconciliation changes, rate changes, rebates or audit adjustments. Please make sure you have a credit balance on your account before you submit a refund request.

Submitting this form doesn’t guarantee a refund. We’ll review your request and contact you if we need more information or are unable to process it. If we approve your request, we’ll send your cheque typically within 14 business days.

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Updated: November 8, 2026