According to Section 6. Of the Freedom Information Law “restricted access information”: (1) Information, which is necessary to an institution for the preparation for resolution of matters, shall be regarded to be information for the internal use of an institution.  (2) Restricted access shall also apply to documents which are drawn up in connection with the preparation for resolution of matters by an institution and which have been drawn up by: 1) advisors or experts specially invited for the particular matter; 2) one institution for the use by another institution. (3) The restricted access status may be applied to information for the internal use of an institution during the process of preparation of matters only up to the time when the institution takes a decision regarding the particular matter, or when a document which has not been classified as a restricted access document is sent to an addressee. (4) Information for the internal use, which has been classified as restricted access information, shall be registered by the institution concerned in accordance with the procedures laid down in laws and regulations.