Article 3
1. Interested parties are invited to forward to the competent authority designated by the Member State in which the head office of the organization concerned is situated, hereinafter referred to as the 'competent authority', detailed proposals concerning the measures referred to in Article 1 (2) (a) and (c). Should be proposed measures be carried out wholly or partly in the territory of one or more Member States other than that in which the head office of the organization concerned is situated, the organization shall send a copy of its proposal to each of the competent authorities in those other Member States. Proposals must reach the competent authority before 1 July 1991. Where this date is not complied with, proposals shall be considered null and void. 2. Further rules for the submission of proposals shall be as set out in the Annex. 3. The tendering procedure concerning the measure referred to in Article 1 (2) (b) shall be opened by the publication in the C series of the Official Journal of the European Communities of a notice setting out in particular the final date for the submission of tenders.