A bill to authorize the disposal of a certain quantity of tin from the national and supplemental stockpiles and the acquisition of a certain quantity of copper from the proceeds of such disposition.

Authorizes the Administrator of General Services to dispose of approximately 25,000 long tons of grade A tin presently held in the national and supplemental stockpiles and to use the proceeds of such disposition to acquire a quantity of copper not in excess of 250,000 tons for inclusion in the national stockpile.