Cleansing, disinfection and treatment with insecticides
Article 12
Member States shall ensure that:
1. the disinfectants and insecticides to be used and their concentrations are officially approved by the competent authority;
2. the cleansing, disinfection and, if necessary, insecticide operations are carried out under official supervision in accordance with:
  - the instructions given by the official veterinarian; and
  - the principles and procedures laid down in Annex II.