To impose additional duties on the products of foreign countries if, and during such time as, such countries do not make sufficient contributions to the multinational military mobilization and operations being carried out in response to the invasion of Kuwait by Iraq.

Desert Shield Burden-Sharing Act of 1990 - Directs the President to determine whether each foreign country that receives trade benefits from the United States is making a commensurate contribution to the multinational military mobilization carried out in response to the Iraqi invasion of Kuwait. Requires the President to impose an additional duty on dutiable products and a duty on duty-free...