https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/refunds.html
Check the status of your refund
How to check your refund status
If you reside in Canada, wait eight weeks before contacting the CRA for an update on your tax return and refund status. If you reside outside Canada, wait 16 weeks.
Online:
My Account gives you secure online access to your tax return information.
Register
By phone:
Contact centre agent
Automated line
https://turbotax.intuit.ca/tips/havent-received-your-tax-refund-the-cras-debt-recovery-program-may-be-why-17295#:~:text=Then%20you%20can%20check%20your,a%20Notice%20of%20Assessment%20ready.
Then you can check your tax refund status in two ways:
1. By phone: Call the CRA’s Contact Centre at 1-800-959-8281 (Yukon, Northwest Territories, and Nunavut: 1-866-426-1527; outside Canada and the US: 613-940-8495). Make sure to have your social security number, personal information, and a Notice of Assessment ready.
2. Online: Just log into your CRA My Account and click on Notice of Assessment.