the rules and procedures for the registration and marking of unmanned aircraft and for the registration of operators of unmanned aircraft, referred to in Section 4 of Annex IX;
na rialacha agus na nósanna imeachta maidir le clárú agus marcáil aerárthaí gan foireann agus do chlárú oibreoirí aerárthaí gan foireann, dtagraítear i Roinn 4 d'Iarscríbhinn IX;