Reg: CREDIT NOTE

harish kumar (183 Points)

19 February 2020  
Dear sir,
I have purchased some quantity of raw material in may 2019, payment not made and not claimed ITC, but we received goods.
In January 2019 I have returned some goods relating to may 2018 supplies..
the supplier have showed may 2018 supply in may 2018 GSTR 1, now he is not issuing credit note..
because of credit note should be issued with in 6months of F. Y 2018-19.
can supplier issue credit note...
pls reply..
need urgent...