the rules and procedures for issuing, maintaining, amending, limiting, suspending or revoking the approvals and certificates referred to in Articles 51 and 52;
na rialacha agus na nósanna imeachta faoina ndéanfar na formheasanna agus na deimhnithe dá dtagraítear in Airteagal 51 agus in Airteagal 52 a eisiúint, a choinneáil ar bun, a leasú, a theorannú, a chur ar fionraí nó a chúlghairm;