Sales liability lower than Credit note, How to address in GSTR-3B

Narayanan S (96 Points)

05 June 2020  
Dear sirs,

My sales liability lower than credit note, how to address in GSTR-3B monthly return.

For example

May - 2020 sale liability
Taxable value. CGST. SGST
100000.00. 9000. 9000
Less:
Cr.Note. 150000. 13500. 13500
balance. -50000. -4500. -4500

Kindly to suggest, how to address in GSTR-1 & GSTR-3B.