To do the setup:Go to the MyTax portal and please register at this URL for prepod: MyTaxSet up the intermediaries.Related ArticleseInvoicing: Setting up Access Software as an intermediary on MyInvoice portal for e-InvoicingeInvoicing: Basic Checks for e-Invoicing Error MessageseInvoicing: UBS eInvoice rejection or cancellation after 72 hourseInvoicing: Tax portal linkeInvoicing Errors: 'code','Validation Error' 'message,null.