Legende formele basis : A nationale wetgeving Β nationaal interprofessioneel akkoord C regionaal interprofessioneel akkoord D sectorieel akkoord E K.B. of M.B. (exclusief B, C en D) ###>Legend formal basis : A national legislation 3 national interprofessional agreement C regional interprofessional agreement D branch agreement E RC OR MD (exclusive B, C and D)