Synopsis As Introduced Amends the Procurement Code. Defines "expatriate corporation" as a foreign incorporated entity that (1) is publicly traded in the United States, (2) is incorporated in a tax haven, (3) less than 10% of the gross income of which is derived from activities in the tax haven, (4) less than 10% of the employees of which are permanently located in the tax haven, and (5) has certain ownership or other business interest connections with a domestic corporation or partnership. Provides that an expatriate corporation shall be considered a non-resident bidder. Provides that no business or member of a unitary business group, as defined in the Illinois Income Tax Act, shall submit a bid for or enter into a contract with a State agency under this Code if that business or any member of the unitary business group is an expatriate corporation. Amends the Illinois Income Tax Act. Provides that notwithstanding the definition of "unitary business group", any person formed or incorporated in a foreign tax haven may be a member of a unitary business group without regard to where its business activities are conducted. Lists those places that are "foreign tax havens". Provides that the term "foreign tax haven" also includes any foreign country that does not impose a substantial business income tax or other substantial business activity tax, as determined by the Department by rule. Effective July 1, 2004.