@fy852
For all T3 slips in your return: - Remove the amount from Box 52, if applicable (leave it blank) - Enter the sum of Box 52 + Box 53 in Box 53 - Ensure Box 53 equals the amount in Box 21 If the error persists, try rounding the box amounts (21 and 53) to the nearest dollar and submit via NETFILE once more.
If you see one of these error codes, please visit What does my NETFILE error code mean and how do I fix it?
Error codes: 2508, 2515, 45555, 45566, 90308, 95031, 95033, 95034, 95365, and 99915.
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