Continuous serial bill nos

mukund (manager) (480 Points)

24 July 2020  
My client is developer. He pay the gst on advance rec'd, he want to continue the voucher serial nos for the FY 20-21. Last voucher of March 20 is 148. and he want to continue the v no from 149 onwards and also want to continue the bill no.
so is it allowed in gst?