RonBurgandy

I paid for a full year of child care in September so the total I spent is well over the 2021 maximum. I won’t be paying any more in 2022 as our kid will start school. Can I claim based on the monthly average where some goes in 2021 and some in 2022 as that is when the service is rendered? Or from a tax perspective do I have to claim based on when I paid for the service and they issued the receipt? Thank you.