By way of derogation from Articles 269 and 274, the effects of the opening of reorganisation measures or of winding-up proceedings shall be governed as follows:

(a) in regard to employment contracts and employment relationships, exclusively by the law of the Member State applicable to the employment contract or employment relationship;

(b) in regard to contracts conferring the right to make use of or acquire immovable property, exclusively by the law of the Member State where the immovable property is situated; and

(c) in regard to rights of the insurance undertaking with respect to immovable property, a ship or an aircraft subject to registration in a public register, exclusively by the law of the Member State under the authority of which the register is kept.