Directive 90/539/EEC is hereby amended as follows:

1. 1.

   Article 4 shall be replaced by the following:

   Article 4

   Each Member State shall designate a national reference laboratory to be responsible for coordinating the diagnostic methods provided for in this Directive and their use by the approved laboratories located in its territory.

   Each Member State shall make the details of its national reference laboratory, and any subsequent changes, available to the other Member States and to the public.

   Detailed rules for the uniform application of this Article may be adopted in accordance with the procedure referred to in Article 32(2).

2. 2.

   the following Article shall be inserted:

   Article 6a

   Each Member State shall draw up and keep up to date a list of establishments approved in accordance with point 1(a) of Article 6 and their distinguishing numbers, and shall make it available to the other Member States and to the public.

   Detailed rules for the uniform application of this article may be adopted in accordance with the procedure referred to in Article 32.

3. 3.

   Annex I shall be amended as follows:

   1. (i)

      point 1 shall be deleted;

   2. (ii)

      point 2 shall be replaced by the following:

      1. 2.

         The national reference laboratories for avian diseases designated in accordance with Article 4 shall be responsible in each Member State for coordinating the diagnostic methods provided for in this Directive. To this end:

         1. (a)

            they may supply approved laboratories with the reagents needed for diagnostic testing;

         2. (b)

            they shall monitor the quality of reagents used by the laboratories approved for the purpose of carrying out the diagnostic tests provided for in this Directive;

         3. (c)

            they shall organise periodic comparative tests.