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34 
in any other action to enforce any requirement of this 
part, 
“(h) (1) Any employee who believes that he has 
been discharged or otherwise discriminated against by 
any person in violation of subsection (a) of this section may, 
within thirty days after such alleged violation occurs, file 
(or have any person file on the employee’s behalf) a com- 
plain., with the Secretary of Labor (hereinafter in this sec- 
tion referred to as the 4 Secr:tary’) alleging such discharge 
or discrimination. Upon receipt of such a complaint, the Sec- 
re taiy shall notify the person named in the complaint of the 
filing of the complaint. 
“ (2) (A) Upon receipt of a complaint filed under para- 
graph ( 1 ) , the Secretary shall conduct an investigation of 
the violation alleged in the complaint. Within thirty days 
of the receipt of such complaint, the Secretary shall complete 
such investigation and shall notify in writing the complainant 
(and any person acting on behalf of the complainant) and 
the person alleged to have committed such violation of the 
results of the investigation conducted pursuant to this subpar- 
agraph. Within ninety days of the receipt of such complaint 
the Secretary shall, unless the proceeding on the complaint 
is terminated by the Secretary on the basis of a settlement 
entered into by the Secretary and the person alleged to have 
committed such violation, issue an order cither providing 
[ 611 ] 
