As used in this subsection, a "notice of suit" shall mean a notice addressed to a foreign state and in a form prescribed by the Secretary of State by regulation.
28 U.S.C. § 1608
STATUTORY NOTES AND RELATED SUBSIDIARIES
EFFECTIVE DATESection effective 90 days after Oct. 21, 1976, see section 8 of Pub. L. 94-583, set out as a note under section 1602 of this title.