A bill to authorize the disposal by the U.S. Government of certain sperm oil from the national stockpile, and the subsequent regulated commercial disposal.

Authorizes the Administrator of General Services to dispose of approximately 23,400,000 pounds of sperm oil held on July 9, 1973, in the national stockpile established pursuant to the Strategic and Critical Materials Stock Piling Act.

Stipulates that in connection with any action brought for a violation of the provisions of the Endangered Species Act of 1973 involving whale oil sold under this Act, there shall be a rebuttable presumption that the exemption provided for in this Act does not apply, and any person claiming the benefit of such exemption shall have the burden of overcoming such presumption.