The freedom of movement for workers, freedom of establishment and freedom to provide services are fundamental principles of the internal market enshrined in the Treaty on the Functioning of the European Union (TFEU).
Is prionsabail bhunúsacha den mhargadh inmheánach iad saorghluaiseacht oibrithe, saoirse bhunaíochta agus saoirse chun seirbhísí a sholáthar, prionsabail a chumhdaítear sa Chonradh ar Fheidhmiú an Aontais Eorpaigh (CFAE).