Each Member State shall take all appropriate measures to facilitate the work of the officials of its competent bodies. It shall ensure in particular that such officials, where appropriate in conjunction with officials of other departments which it authorises for the purpose:
have access to vineyards, wine-making and storage installations, installations for processing wine-sector products and vehicles for transporting those products;
have access to the commercial premises (or warehouses) and vehicles of anyone holding with a view to sale, marketing or transporting wine-sector products or products which may be intended for use in the wine sector;
may undertake an inventory of wine-sector products and substances or products which may be used for the preparation of such products;
may take samples of wine-sector products, substances or products which may be used for the preparation of such products and products held with a view to sale, marketing or transport;
may study accounting data and other documents of use in control procedures, and make copies or extracts thereof;
may take appropriate protective measures regarding the preparation, holding, transport, description, presentation and marketing of a wine-sector product or a product intended for use in the preparation of such a product, if there is reason to believe that there has been a serious infringement of Community provisions, in particular in the case of fraudulent treatment or risks to health.