The Hunley Commission and the South Carolina Educational Television Commission on any film either makes relating to H. L. Hunley including, but not limited to, the recovery of the Hunley which is furnished to another party for other than a contractual fee shall insert in appropriate places at the bottom and end of the film a caption stating that the film taken by the Hunley Commission or the Educational Television Commission is "Provided courtesy of the Hunley Commission or the South Carolina Educational Television Commission and any person interested in making a donation for the preservation and exhibition of the Hunley may send it to The Hunley Commission, Post Office Box 142, Columbia, South Carolina 29202".