[TurdFerguson]

I am not expert by any means but in my experience lenders are looking more at that T4 for the past 2 years as your representation of salaried income (primary driver in affordability). Pay stubs are more to show that you are still tracking towards T4 reported incomes, given the time gap you could be trending meaningfully higher or lower. Notice of assessment will be used for total income across all sources (dividends etc) that wouldn't be reflected on just your T4.