8. Disinfection under this Order shall be carried out with a disinfectant which is—
(a)approved for use for the purpose of this Order and the Foot-and-Mouth Disease (Control of Vaccination) (England) Regulations by the Diseases of Animals (Approved Disinfectants) Order 1978(1);
(b)used at the concentration specified in that Order; and
(c)used in accordance with the manufacturer’s instructions or recommendations (if any) and in particular, if use is recommended before any date, used before that date.
S.I. 1978/32, amended by this Order; there are other amending instruments but none is relevant.