the rules and procedures for maintaining the certificates referred to in Article 14 and in point (a) of the first subparagraph of Article 18(2);
na rialacha agus na nósanna imeachta chun na deimhnithe dá dtagraítear in Airteagal 14 agus pointe (a) den chéad fhomhír d'Airteagal 18(2)(a) a choinneáil ar bun;