ADVANCE SHOW N IN GST

Note that we are a register (In GST) manufacturing Company , this month(i.e. Jan,22) we gave a Quotation for Modification Charge Purpose to Interstate Party ( Register in Gst) Rs. 94,400.00 (Including GST 18 %) as 60% ADVANCE basis and Interstate Party also paid the ADVANCE rupees (60%) Rs. 56640.00 as per our terms .

Now our question is we will shown this Advance Rs. 56640.00 in GSTR1 & GSTR3B Jan,22 return in if yes then please send us procedure and how to adjust next month this amount when Invoice will done because GSTR 3B now create autofill the data……