12.—(1) Disinfection under this Order shall be carried out with a disinfectant approved for the purpose under the Diseases of Animals (Approval of Disinfectants) Order (Northern Ireland) 1972(1).
(2) Cleansing and disinfection operations on premises shall be carried out under the supervision of an inspector and in accordance with the instructions of a veterinary inspector.
S.R. 1972 No. 16 as amended by S.R. 1975 No. 69 and S.R. 1995 No. 467