For the purposes of this Directive:
(a) "assurance undertaking" shall mean an undertaking which has received official authorization in accordance with Article 6 of Directive 79/267/EEC;
(b) "branch" shall mean an agency or branch of an assurance undertaking, having regard to Article 3 of Directive 90/619/EEC;
(c) "commitment" shall mean a commitment represented by one of the kinds of insurance or operations referred to in Article 1 of Directive 79/267/EEC;
(d) "home Member State" shall mean the Member State in which the head office of the assurance undertaking covering the commitment is situated;
(e) "Member State of the branch" shall mean the Member State in which the branch covering the commitment is situated;
(f) "Member State of the provision of services" shall mean the Member State of the commitment, as defined in Article 2(e) of Directive 90/619/EEC, if the commitment is covered by an assurance undertaking or a branch situated in another Member State;
(g) "control" shall mea