On my T3 form I am getting an error saying box 21 does not equal the total of box 52 and 53, but it does add up properly. I cannot file because of this. Any help?

I've checked my papers and done the math myself multiple times and box 52 and 53 add up properly to whats in box 21, but I am getting a netfile error saying it does not add up.

122

Moderator

Mar 26, 2025 7:12:35 AM

For the error on the T3 slip not balancing box 52+53 to equal box 21A, trying to enter the sum of 52+53 into box 53 (deleting 52) should fix the problem.

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On my T3 form I am getting an error saying box 21 does not equal the total of box 52 and 53, but it does add up properly. I cannot file because of this. Any help?