On a proper construction of Article 16(1)(a) of the Convention of 27 September 1968 on Jurisdiction and the Enforcement of Judgments in Civil and Commercial Matters, as amended by the Convention of 9 October 1978 on the Accession of the Kingdom of Denmark, Ireland and the United Kingdom of Great Britain and Northern Ireland, by the Convention of 25 October 1982 on the Accession of the Hellenic Republic and by the Convention of 26 May 1989 on the Accession of the Kingdom of Spain and the Portuguese Republic, that Article does not apply to a club membership contract which, in return for a membership fee which represents the major part of the total price, allows members to acquire a right to use on a time-share basis immoveable property of a specified type in a specified location and provides for the affiliation of members to a service which enables them to exchange their right of use.