Service tax revised invoice

Rehan Ahmed (Accountant) (40 Points)

13 June 2016  

Dear All

I want to ask one question related to service tax revised Invoice.

I have issued one invoice related to service to my party in november 2015. it was tax free invoice.  but now party is asking for service tax Invoice. 

Can I issue revised bill with service tax now? 

and what should i do to my old invoice shall i cancell it or not