As per Section 171 of the CGST Act, any reduction in the tax rate or additional benefit of the input tax credit has to be passed to the recipient under Anti-Profiteering.
As per Section 60 of the CGST Act, if a taxpayer is not able to determine the value of goods or services or both or determine the rate of tax applicable thereto, the taxpayer may request the proper officer to pay taxes on provisional basis by filing the return in FORM GST ASMT-01 ( as per rule 98 of the CGST Rules) giving reasons for payment of tax on a provisional basis.
As per the latest GST Returns, In Table 11 A of GSTR – 1, advances received from the customers have to be shown rate wise for the interstate and intrastate grouped by the tax rate. Taxes on these will be added to be output tax liability.
As per the Final Returns Formats, supplies to B2C have to be shown in Table 7 of GSTR – 1, grouped by Tax Rates only for Intrastate and Interstate supplies. In the case of interstate supplies, it has to be grouped by State Code and then by Tax Rates. HSN Code /SAC Code along with Tax paid on provisional assessment from the old formats given in Table 7.
As per the Tax Invoice, Credit and Debit Note Rules, released for GST on 18th May 2017, as per Rule 5 at the time of creation of receipt voucher, if the tax rate is not determinable, then the tax rate to be considered is 18%.
In GSTR – 1 all credit notes/debit notes issued by the supplier to the recipient on account of the difference in tax rate or taxable value or goods returned by the recipient. The credit note should have the reference of the original tax invoice
In a Mixed Supply where the supply of goods or services involves more than one goods or services, the tax rate applicable will be the highest tax rate of the goods / services n the mixed supply.