The competent authority shall ensure that the following additional measures are applied where HPAI is suspected or confirmed in a slaughterhouse, border inspection post or means of transport:
no poultry or other captive birds are introduced into the slaughterhouse, the border inspection post or the means of transport until at least 24 hours after the cleansing and disinfection as provided for in point (b) are completed by one or more of the procedures set down in Article 48; in the case of border inspection posts, the prohibition on introduction may be extended to other animals;
the cleansing and disinfection of contaminated buildings, equipment and vehicles takes place in accordance with one or more of the procedures set down in Article 48 and under the official supervision of the official veterinarian;
an epidemiological inquiry is carried out;
the measures provided for in Article 7(2) are applied in the holding of origin of the infected poultry or carcases and in contact holdings;
unless otherwise indicated by the epidemiological inquiry and the further investigations, as provided for in Article 35, the measures provided for in Article 11 are applied in the holding of origin;
the avian influenza virus isolate is subjected to the laboratory procedure in order to identify the subtype of the virus, in accordance with the diagnostic manual.