By way of derogation from Articles 4 and 9, the effects of the opening of reorganisation measures or of winding-up proceedings on the contracts and rights specified below shall be governed by the following rules:
(a) employment contracts and employment relationships shall be governed solely by the law of the Member State applicable to the employment contract or employment relationship;
(b) a contract conferring the right to make use of or acquire immovable property shall be governed solely by the law of the Member State in whose territory the immovable property is situated;
(c) rights of the insurance undertaking with respect to immovable property, a ship or an aircraft subject to registration in a public register shall be governed by the law of the Member State under whose authority the register is kept.