The free movement of workers, the freedom of establishment and the freedom to provide services are fundamental principles of the internal market enshrined in the Treaty on the Functioning of the European Union (TFEU).
Is bunphrionsabail de chuid an mhargaidh inmheánaigh a chumhdaítear sa Chonradh ar Fheidhmiú an Aontais Eorpaigh (CFAE) iad saorghluaiseacht oibrithe, an tsaoirse bhunaíochta agus an tsaoirse chun seirbhísí a chur ar fáil.