The files and equipment of the state sovereignty commission are hereby placed in the custody of the department of archives and history. Said files shall be immediately sealed, impounded and maintained as confidential files by the department of archives and history. Any equipment may be used by the department of archives and history in the furtherance of the activities of the said department. On July 1, 2027, such files shall become public records under the custody and control of the department of archives and history.