50 C.F.R. § 82.21
Where research conducted under a grant issued pursuant to this part results in a book or other copyrightable material, the author or grantee, subject to the terms of the Cooperative Agreement, is encouraged to publish the work, but the Department of the Interior reserves a royalty free, nonexclusive and irrevocable license to reproduce, publish, or otherwise use, and to authorize others to use the work for Government purposes. Any publication by the grantee must bear in an appropriate place an acknowledgment of grant support under the Marine Mammal Act from the Department of the Interior. In addition, any publication must include a statement that the findings, conclusions, etc., do not necessarily represent the views of the Department of the Interior. At least two copies of any printed publications must be furnished to the U.S. Fish and Wildlife Service.
50 C.F.R. § 82.21