Returnable Beverage Container Act - Provides that no person shall manufacture for sale, sell, offer for sale, or introduce in interstate commerce any beverage container other than a returnable beverage container.

Directs the Administrator of the Environmental Protection Agency to establish such regulations as are necessary for the purpose of this Act.

Sets forth penalties of up to a $1,000 fine and/or up to six months imprisonment for violation of provisions of this Act.

Directs that the provisions of this Act shall be applicable, one year after passage, to metal cans with attached opening devices and to all other nonreturnable containers three years after passage.