(a) undertakings in which a party to the agreement, directly or indirectly: - owns more than half the capital or business assets, or - has the power to exercise more than half the voting rights, or - has the power to appoint more than half the members of the supervisory board, board of directors or bodies legally representing the undertaking, or - has the right to manage the affairs; (b) undertakings which directly or indirectly have in or over a party to the agreement the rights or powers listed in (a); (c) undertakings in which an undertaking referred to in (b) directly or indirectly has the rights or powers listed in (a)