3. No person may move out of the protection zone any vehicle which has been used to transport pigs within the zone, unless—E+W+S
(a)it has been cleansed and disinfected and, if necessary, an acaricide has been applied under the direction and supervision of an inspector; and
(b)the movement has been licensed by an inspector; or
(c)it has been driven through the zone without being loaded or unloaded.