Article 6Contributions to supplementary pension schemes by and on behalf of posted workers
1.Member States shall adopt such measures as are necessary to enable contributions to continue to be made to a supplementary pension scheme established in a Member State by or on behalf of a posted worker who is a member of such a scheme during the period of his or her posting in another Member State.
2.Where, pursuant to paragraph 1, contributions continue to be made to a supplementary pension scheme in one Member State, the posted worker and, where applicable, his employer shall be exempted from any obligation to make contributions to a supplementary pension scheme in another Member State.