surveillance, taking into account the requirements provided for in Article 27, is undertaken to verify that the territory, zone or compartment concerned continues to be free of the listed disease for which it was approved or recognised as having disease–free status;
go dtugtar faoi fhaireachas, lena gcuirtear san áireamh na ceanglais dá bhforáiltear in Airteagal 27, lena fhíorú go leanann an chríoch, crios nó deighleog lena mbaineann de bheith saor ón ngalar liostaithe ar tugadh formheas ina leith nó a aithníodh le haghaidh stádas saor ó ghalair;