Article 13
1. The Commission shall make regular on the spot checks, in collaboration with the national authorities, to verify from a veterinary viewpoint whether the plans are being applied. Member States shall take the necessary steps to facilitate these checks and shall in particular ensure that the experts are supplied at their request with all information and documentation needed for assessing the execution of the plans. The general provisions for implementing this Article, especially as regards the frequency and method of carrying out the checks referred to in the first subparagraph, the rules governing the appointment of official veterinarians and the procedure which they must follow when drawing up their report, shall be laid down according to the procedure set out in Article 12. The Commission shall regularly inform the Member States within the committee of developments, in the light of the information provided by the Member States' authorities, which shall submit a progress report to the Commission together with the applications for payment and any reports from experts who, acting on behalf of the Community, have made on the spot visits. 2. Should the eradication plan require amendment in the course of its execution, a new decision approving it shall be taken in accordance with the procedure laid down in Article 12.