Because you were not in a common-law relationship during the 2021 tax year, you should not file as common law on this year's tax return for the 2021 tax year. To be considered common-law, two individuals must live together in a conjugal relationship for a period of 12 months, or immediately if they have a child.
Please see this Canada Revenue Agency(CRA) link to find out more about your Marital Status.
For more information, please see our TurboTax article:
Facts every Canadian needs to Know about filing coupled tax return
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