Domestic Steel Industry Protection Act of 1980

Domestic Steel Industry Protection Act of 1980 - Directs the Secretary of Commerce to establish quarterly the trigger price for each steel mill product based on the costs of producing such products in Japan and the European Economic Community (EEC). Requires the Secretary to initiate an antidumping duty investigation if imports from Japan or any EEC country are made at prices below the applicable trigger price. Requires importers of such products to present a special invoice containing such information as required by the Secretary upon entry of such products into the United States.