If you remained a Canadian resident (i.e., kept strong ties to Canada), you must report your Sept–Dec 2025 Australian income as foreign income on your 2025 return and claim a foreign tax credit to avoid double taxation—you don’t need to wait for your Australian filing and can use withheld tax or estimates. However, if you became a non-resident after moving (cut ties and settled in Australia), you only report income up to your departure date and do not include the Australian income earned after leaving.

For more information, visit -Determining your residency status

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