Furthermore, independent risk research can hardly be conducted since the companies can block access to research material or ask the scientists to sign contracts where they agree not to publish anything that is not agreed with the company.
Section 11A(h) of the Export Administration Act authorizes the president both to prohibit the import of products or services from Imhausen into the United States and to block Imhausen from participating in any U.S. government contracts for up to five years.
I'm directing my budget office, together with the Treasury Department and other federal agencies, to take steps to block contractors who are seriously delinquent in their taxes from receiving new government contracts.