Rule-59(6) of CGST Rules, 2017 provides for restriction in filing of GSTR-1 in certain cases :
a) a registered person shall not be allowed to furnish the details of outward supplies of goods or services or both under section 37 in FORM GSTR-1, if he has not furnished the return in FORM GSTR-3B for preceding two months;
b) a registered person, required to furnish return for every quarter under the proviso to sub-section (1) of section 39, shall not be allowed to furnish the details of outward supplies of goods or services or both under section 37 in FORM GSTR-1 or using the invoice furnishing facility, if he has not furnished the return in FORM GSTR-3Bfor preceding tax period;
Source Sharma Rakshit
