The Portuguese Ombudsman also noted that, although the limitations of the current system might be questioned on the basis of the principles of contractual freedom and competition in the banking sector, Directive 2004/52/EC on the interoperability of electronic road toll systems in the Community should create a uniform system of electronic road toll payment at the European level by 2011.
Ina theannta sin, thug Ombudsman na Portaingéile faoi deara, cé go bhféadfaí teorainneacha an chórais reatha a cheistiú bunaithe ar phrionsabail saoirse chonarthach agus iomaíocht san earnáil bhaincéireachta, ba cheart go gcruthódh Treoir 2004/52/EC ar chomh-inoibritheacht córas leictreonach dola-droichead sa Chomhphobal córas cothrom d’íocaíocht leictreonach dola-droichid ar leibhéal Eorpach faoin mbliain 2011.