An authorized warehousekeeper shall be required to:
(a) provide a guarantee, if necessary, to cover production, processing and holding and a compulsory guarantee to cover movement, subject to Article 15(3), the conditions for which shall be set by the competent authorities of the Member State in which the tax warehouse is authorized;
(b) comply with the requirements laid down by the Member State within whose territory the tax warehouse is situated;
(c) keep, for each warehouse, accounts of stock and product movements;
(d) produce the products whenever so required;
(e) consent to all monitoring and stock checks.
The requirements must respect the principle of non-discrimination between national and intra-Community transactions.