According to the General Agreement on Trade in Services (GATS), “trade in services” include:
A.
the cross-border supply of services that do not require the physical movement of either the supplier or the consumer.
B.
the supply of services that require the consumer to go to the supplier.
C.
services supplied in the territory of a member state by a service supplier from another member state by means of the temporary presence of natural persons of another member state.