It should be based on Article 53(1) TFEU, concerning freedom of establishment and access to self-employed activities, as well as on Article 62 TFEU, which makes that provision applicable to services.
Temeljiti bi morala na členu 53(1) PDEU o svobodi ustanavljanja in začetka opravljanja samozaposlitvenih dejavnosti ter členu 62 PDEU, na podlagi katerega navedena določba velja za storitve.