Zero valued  entries in vouchers are required when, for example: you need to despatch inventory as free samples or free replacements, etc. 
                 
                You can make an entry of issue with the required quantity  details but enter the value as zero. This is done  so that the entry is reflected only in the Inventory books and not in the Accounting books. 
                Transactions : 
                On 2-4-2020, make a Sales invoice on Adersh and Computers for 1 Nos of Laptop Compaq A901TU with Price ₹. 38,000 along  with 1 Nos.  Keyboard-Logitech and 1 Nos.  of Mouse-Logitech FREE (i.e. Zero Value).  
                   
                Setup: 
                
                  - Activate the feature Enable Zero valued Transactions in  the F11: Features (Inventory Features) and accept the other settings.
 
                 
                   
                   
                  Create Sales Invoice with  above example as given: 
                   
                 
                Click.. here : Regarding  Creation of Items and Goods |