Hvis den afgiftspligtige transaktion foretages af en afgiftspligtig person, der ikke er etableret i den medlemsstat, hvor momsen skal betales, og der ikke med det land, hvor denne afgiftspligtige person har hjemsted eller forretningssted, findes noget retligt instrument vedrørende gensidig bistand med en retsvirkning, der svarer til reglerne i direktiv 76/308/EØF og forordning (EF) nr. 1798/2003, kan medlemsstaterne desuden træffe foranstaltninger til at lade den fiskale repræsentant, der udpeges af den ikke–etablerede afgiftspligtige person, være betalingspligtig.Medlemsstaterne må dog ikke anvende den i andet afsnit omhandlede mulighed på ikke–etablerede afgiftspligtige personer som defineret i artikel 358, nr. 1), som har valgt særordningen for elektronisk leverede ydelser.
Furthermore, where the taxable transaction is carried out by a taxable person who is not established in the Member State in which the VAT is due and no legal instrument exists, with the country in which that taxable person is established or has his seat, relating to mutual assistance similar in scope to that provided for in Directive 76/308/EEC and Regulation (EC) No 1798/2003, Member States may take measures to provide that the person liable for payment of VAT is to be a tax representative appointed by the non-established taxable person.However, Member States may not apply the option referred to in the second subparagraph to a non-established taxable person, within the meaning of point (1) of Article 358, who has opted for the special scheme for electronically supplied services.