(i). Mismatch in details reported between GSTR-1 & GSTR-3B: scrutiny notice
(ii). Differences in Input tax credit claims made in GSTR-3B vis-a-vis GSTR-2B/2A
(iii). Delay in filing of GSTR-1 and GSTR-3B consecutively for more than six months
(iv). Inconsistent declaration in GSTR-1 and e-way bill portal
(iv). Non-payment of GST liability (tax) or the short-payment of the tax with or without the intent to defraud: show cause notice (SCN)