Public storage contracts concluded between the paying agency and the storer shall contain provisions which make it possible to guarantee compliance with Union legislation.
They shall require the following:
the keeping of computerised intervention stock accounts;
direct, immediate availability of a permanent inventory;
availability at all times of all the documents relating to the entry, storage and removal of stock and the accounting documents and records drawn up under this Regulation and held by the storer;
permanent access to those documents for staff of the paying agency and the Commission, and for any person duly authorised by them.