Unit of measure as per GSTN

UQC or unit of measure is required to be shown in the HSN Summary of GSTR – 1 in table 12 and in table 13 of the GSTR – 2. The unit of measure in case of items/goods should be based on the UQC issued by the GSTN. If they do not match it will show error message and the return cannot be filed

http://india-gst.in/unit-of-measure-as-per-gstn/

GST Tip – 105

Advances paid for supplies falling under Reverse Charge are to be shown in Table 12 of GSTR – 2. For each and every advance being uploaded here, a unique identification number will be generated by the GSTN for the advances paid for supplies falling under reverse charge where invoice is not received.