To add this missed information, an adjustment will need to be made to your 2023 return. As per our TurboTax article: How to Change Your Tax Return After You’ve Filed, once you realize you’ve made an error, you’ll probably want to refile your taxes or file an amendment ASAP. But as a general rule, wait until you receive your Notice of Assessment (NOA) from the CRA. You can refile up to 4 years or file an amendment for up to 10 years.
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