Grocery rebate payments from the federal government are expected to start landing in eligible Canadians' bank accounts today. Grocery rebate payments from the federal government are expected to start landing in eligible Canadians' bank accounts today. That's because the grocery rebate is calculated using 2021 income tax returns, while the GST rebate is based on 2022 tax returns. CBC's About That looks at how it will work and who gets it:Début du widget Widget. Fin du widget Widget.