process for C Form:
Buyer needs to provide details of material purchased like Inv no & date, customer name, address & TIN , value of goods to concerned sales tax officer with an application to issue Form. Forms are issued on payment around 40 paise is required to get 1 form C. On receiving C form buyer will fill up the details and sign the same and send it to seller.
Seller needs to mention on his invoice that sale is against C Form. on receiving the C Form from buyer seller needs to submit the same to his concerned sales tax offcer.
please note C Form is required to submit after every Quarter end and 1 C Form can contain all the transaction happend in that particular QTR
any other query....write freely