Division 2 During quarantine, the following aquaculture animals shall be sampled within 15 days before date of the expiry of the quarantine period:

when sentinel aquaculture animals are used, samples from all of them must be taken;

when sentinel aquaculture animals are not used, samples must be taken from a relevant number of aquaculture animals ensuring the detection of the relevant listed disease(s) with a 95 % confidence if the design prevalence is 10 % (never less than 10 animals).