Rcm liablity where to show

DEAR CCI EXPERTS,

PLZ HELP ME TO SOLVE FOLLOWING QUERY

INCASE OF WE AS SERVICE RECEIVER AND LIABLE TO PAY GST ON RCM BASIS THEN WHERE TO SHOW LIABLITY EFFECT IN BOTH UNDER GSTR-1 & GSTR-3B.

THERE IS NO COLUMN FOR INWARD SUPPLY FOR RCM IN GSTR-1

BUT DIRECT OPTION IN GSTR-3B TO PUT AMT OF TAX OF INWARD SUPPLY ON RCM BASIS,