You will never need to routinely submit this information to NOW: Pensions. If NOW: Pensions require this information, they will request it from you directly.
Related resources
How would I know if I’ve sent contributions across to NOW: Pensions on a “year to date” basis?
I’m a Sage user and I’ve sent contributions across to NOW: Pensions on a “year to date” basis in error, what should I do?
How do I avoid mistakenly sending contributions across to NOW: Pensions on a “year to date” basis?