Invoice related information

Somnath Das (10 Points)

05 August 2020  
I have issued an invoice (b2b) in the month of february. The party hasn't paid the invoice value till june hence i did not show the bill in GSTR-1 and GSTR-3B. Now i want to show the bill in the month of June return.
What will be my liabilities ? Please provide solution with relating provisions.