Can you please clarify if you are asking if you can take the RRSP contribution made in January of 2021 and put it in your RRS of 2022?

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Yes! So that my income for 2022 would be less than it is, and avoid paying a large owing balance. 

As per the CRA- If you have mistakenly over-contributed to your RRSP, fill out a T3012A form and submit it to the CRA. It explains your over contribution and makes a request to withdraw the excess amount. 

What Are RRSP Over-Contributions and How to Resolve Them?

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