The competent authority shall ensure that surveillance meets the requirements provided for in Article 27 and in any rules adopted pursuant to point (a) of Article 29.
Áiritheoidh an t-údarás inniúil go gcomhlíonann an faireachas na ceanglais dá bhforáiltear in Airteagal 27 agus i rialacha arna nglacadh de bhun phointe (a) d'Airteagal 29.