; (II) a member of the armed forces; (III) otherwise an employee of the Government of the United States, or of an individual performing a contract awarded by the United States Government, acting within the scope of the employment of the employee; or (ii) the international organization is based in or has a substantial presence in the United States. (c) Limitations An action may be brought or maintained under this section if the action is commenced not later than 20 years after the date on which the cause of action arose. . (b) Technical and conforming amendment The table of chapters for part IV of title 28, United States Code, is amended by inserting after the item relating to chapter 97 the following: 97A. Jurisdictional immunities of international organizations 1621 .