To skip the sales ledger allocation while recording delivery/receipt notes,
Gateway of Tally > Vouchers > F10 (Other Vouchers) > select Delivery Note.
Press F12 (Configure).
Set the following parameters to No
Select common Ledger Account for Item Allocation.
Provide Accounting Allocations in Order/Delivery Note.
Note: The above option is applicable to generation of Sales/Purchase Orders too.