Article 12U.K.Cleaning and disinfection
1.Member States shall ensure that:
(a)the disinfectants to be used and their concentrations are officially approved by the competent authority;
(b)the cleaning and disinfection operations are carried out under official supervision in accordance with:
(b)the instructions given by the official veterinarian, and
the principles and procedures for cleaning, disinfecting and treatment laid down in Annex II.
2.The principles and procedures for cleaning and disinfecting laid down in Annex II may subsequently be amended or supplemented to take account of scientific developments and experiences, in accordance with the procedure referred to in Article 26(2).
