DEAR SIR,
WE SOLD MATERIAL TO ONE OF OUR CUSTOMER IN JULY-17 & AT THAT TIME HIS CONPAMY WAS NOT REGISTERED UNDER GST ACT., & NOW HE GOT REGISTRATION IN AUG-17 & HE IS DEMANDING UPDATED INVOICE OF WITH HIS GST NO. MENTIONED OF MATERIAL SOLD IN JULY.
CAN WE RE-ISSUE THE INVOICE & WILL HE BE ABLE TO GET CREDIT OF THAT PURHCASE.??