Booking Month Mar or Apr

Note that a COURIER company  SERVICE provide to us (Partnership Firm)  monthly basis  and always generate Invoice End of the month, This time they generate Invoice which   Date  01/04/2024  but Service Month show from 01/03/2024 to 31/03/2024. In this case Which year we book this Courier Service  Invoice ?  F.Y. 2023-24 or F.Y. 2024-25?