The legal basis for the registers of National authorities is Article 2.18(2) of Annex II of Directive 2006/87/EC as amended with Directive 2008/87/EC.
According to Article 2.18(2) of Annex II of Directive 2006/87/EC as amended with Directive 2008/87/EC, the national competent authority having issued a Community certificate shall enter on that Community certificate the European vessel identification number. Each competent authority shall (..) inform all other competent authorities listed in the register (Article 2.18(6)). According to paragraph 6 of the fore mentioned article the Commission shall keep a register of those competent authorities and shall make it available to the Member States. On their turn the Member states shall notify the Commission of the competent authorities responsible for assigning European vessel identification numbers.