Not later than 90 days after a covered employee receives notice of the end of the period of mediation, but no sooner than 30 days after receipt of such notification, such covered employee may either—
file a complaint with the appropriate agency, as determined under section 454; or
section 1346(g) of title 28 file a civil action under .
Pub. L. 104–331, § 2(a)110 Stat. 4067(Added , , .)