a professional activity,in so far as the taking up or pursuit of such activity or one of its modes of pursuit in a Member State is subject,directly or indirectly by virtue of laws,regulations or administrative provisions,to the possession of a diploma.The following in particular shall constitute a mode of pursuit of a regulated professional activity-pursuit of an activity under a professional title,in so far as the use of such a title is reserved to the holders of a diploma governed by laws,regulations or administrative provisions,-pursuit of a professional activity relating to health,in so far as remuneration and/or reimbursement for such an activity is subject by virtue of national social security arrangements to the possession of a diploma, kutse-, eri- või ametialane tegevus, mille teostamine eeldab seadusega või seaduse alusel määratud kutsekvalifikatsiooni