https://turbotax.community.intuit.ca/community/self-employed/discussion/re-error-message-when-entering-t3-sum-of-box-52-and-53-cannot-be-negative-it-is-not-but-it-won/01/3694320#M17226 <P>Remove the amount from Box 52, if applicable (leave it blank). Enter the sum of Box 52 + Box 53 in Box 53 &amp; ensure Box 53 equals the amount in Box 21.&nbsp;</P> <P>&nbsp;</P> <P><IMG src="https://lithium-response-prod.s3.us-west-2.amazonaws.com/turbotax.response.lithium.com/RESPONSEIMAGE/d551a032-7224-4de6-8006-d68f003ea318.default/SM%20SAY%20THANKS%203.png" /></P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 21 Jul 2025 13:37:36 GMT TurboTax_Susan 2025-07-21T13:37:36Z https://turbotax.community.intuit.ca/community/self-employed/discussion/error-message-when-entering-t3-sum-of-box-52-and-53-cannot-be-negative-it-is-not-but-it-won-t-let-me/01/3694271#M17225 Sun, 20 Jul 2025 19:22:26 GMT https://turbotax.community.intuit.ca/community/self-employed/discussion/error-message-when-entering-t3-sum-of-box-52-and-53-cannot-be-negative-it-is-not-but-it-won-t-let-me/01/3694271#M17225 shirley-ashfield 2025-07-20T19:22:26Z https://turbotax.community.intuit.ca/community/self-employed/discussion/re-error-message-when-entering-t3-sum-of-box-52-and-53-cannot-be-negative-it-is-not-but-it-won/01/3694320#M17226 <P>Remove the amount from Box 52, if applicable (leave it blank). Enter the sum of Box 52 + Box 53 in Box 53 &amp; ensure Box 53 equals the amount in Box 21.&nbsp;</P> <P>&nbsp;</P> <P><IMG src="https://lithium-response-prod.s3.us-west-2.amazonaws.com/turbotax.response.lithium.com/RESPONSEIMAGE/d551a032-7224-4de6-8006-d68f003ea318.default/SM%20SAY%20THANKS%203.png" /></P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 21 Jul 2025 13:37:36 GMT https://turbotax.community.intuit.ca/community/self-employed/discussion/re-error-message-when-entering-t3-sum-of-box-52-and-53-cannot-be-negative-it-is-not-but-it-won/01/3694320#M17226 TurboTax_Susan 2025-07-21T13:37:36Z