As per Rule 138E, if an assessee, who is a composition dealer has not filed GST returns for two consecutive tax periods, e-way bill cannot be generated for making supply to him. In case of assessees other than composition dealers, if they do not file their GST returns for a consecutive period of two months, e-way bill cannot be generated for making supply to him.The Central Board of Indirect Taxes and Customs vide Notification No. 22 /2019 – Central Tax dated 23/04/2019 has notified 21-06-2019 as the date from which Rule 138E shall come into force.