E-invoicing portal notification designates GST Network websites for invoice preparation under the state tax rules. Common Goods and Services Tax Electronic Portal is notified for the purpose of preparation of invoices under the e-invoicing framework. The specified GST Network websites are identified as the portal to be used for invoice generation under the Uttar Pradesh Goods and Services Tax Rules, 2017, and are stated to be managed by the Goods and Services Tax Network. The notification operates under section 146 of the Uttar Pradesh Goods and Services Tax Act, 2017 read with rule 48(4) of the Uttar Pradesh Goods and Services Tax Rules, 2017, and takes effect from 1 January 2020.