Administrative arrangements between two or more Member States

1.   The provisions of the implementing Regulation shall replace those laid down in the arrangements for the application of the conventions referred to in Article 8(1) of the basic Regulation, except the provisions concerning the arrangements concerning the conventions referred to in Annex II to the basic Regulation, provided that the provisions of those arrangements are included in Annex 1 to the implementing Regulation.
2.   Member States may conclude between themselves, if necessary, arrangements pertaining to the application of the conventions referred to in Article 8(2) of the basic Regulation provided that these arrangements do not adversely affect the rights and obligations of the persons concerned and are included in Annex 1 to the implementing Regulation.