How to disclose the B2B RCM supplies in GSTR 1 by the supplier to reflect in GSTR 2A of Receipt? As seen in GSTR 1 guidance format, RCM supplies have to mentioned in table 4B : supplies attracting tax on reverse charge but come to filing GSTR 1 in GSTR portal there is no table 4B to special such transactions. Under what rate specified in B2B of GSTR1?