Competent authorities shall at least annually, at appropriate times, carry out a survey of each demarcated area as regards the development of the presence of the pest concerned.
Déanfaidh na húdaráis inniúla ar bhonn bliantúil ar a laghad suirbhé ar gach limistéar críochaithe maidir le staid láithreachta na lotnaide lena mbaineann.