Section 79(1) in The Central Goods and Services Tax Rules, 2017
(1)Any discrepancy in the details furnished by the operator and those declared by the supplier shall be made available to the supplier electronically in FORM GST MIS-3 and to the e-commerce operator electronically in FORM GST MIS-4 on the common portal on or before the last date of the month in which the matching has been carried out.
