https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/interest-penalties.html
Interest and penalties for individuals - Personal income tax - Canada.ca
Interest and penalties on a balancing owing if you file or pay taxes late and eligibility for interest relief.
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https://www.canada.ca/en/services/taxes/income-tax/personal-income-tax/after-you-file/noa-nor.html
Notices of assessment - NOA or NOR - Personal income tax - Canada.ca
When and how you will receive your notice of assessment (NOA) or notice of reassessment (NOR), get a copy of a notice, understand sections of your notice.
personal income tax canadanoticesassessmentnoa
https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/important-dates-individuals.html
Due dates and payment dates - Personal income tax - Canada.ca
Information for individuals on important dates.
personal income tax canadadue datespayment