In any such civil action process may be served on a defendant wherever the defendant may reside or may be found, whether the defendant resides or may be found within the United States or elsewhere.
22 U.S. Code § 6762 - Specific enforcement
This chapter, referred to in subsec. (a)(2), was in the original “this Act” and was translated as reading “this division”, meaning div. I of Pub. L. 105–277, Oct. 21, 1998, 112 Stat. 2681–856, known as the Chemical Weapons Convention Implementation Act of 1998, to reflect the probable intent of Congress. For complete classification of division I to the Code, see Short Title note set out under section 6701 of this title and Tables.