Paragraph 5 RequirementsI1

to ensure, so far as is practicable, that any animal which has entered a tunnel is removed from the tunnel system,

to operate a system of surveillance that will ensure, so far as is practicable, that the passage of any animal through a tunnel is detected,

to take effective measures for the control of rodents, including monitoring each tunnel for the presence of rodents and laying poisoned bait for them,

so far as is practicable, to keep each tunnel free of waste food, urine, faeces and every other substance likely to attract animals,

to ensure that all points of access to a tunnel, other than the entrance to the tunnel and any ventilation shafts, are sealed when not in use,

to ensure that all tunnel ventilation shafts are so constructed as effectively to deter animals from passing through them, and

to keep records of the taking of any bait laid as mentioned in sub—paragraph (c) and of the detection of the presence of any animal in a tunnel or within the fencing F1described in paragraph 3(a).