In March,20 GSTR-1 we have filed One bills of outward in B2B table and paid tax accordingly through March,20 GSTR3B but actual for Covid 19 purpose there was no any movement of goods & Invoice and party said cancel these invoice in MARCH,20 return BECAUSE they already filled Tax Audit return for the F.Y. 19-20
What is the way to rectify this error suggest us