Whoever, being a member or employee of the United States Office of Personnel Management or an individual in the public service, willfully and corruptly—

((1)) defeats, deceives, or obstructs an individual in respect of his right of examination according to the rules prescribed by the President under title 5 for the administration of the competitive service and the regulations prescribed by such Office under ;

((2)) falsely marks, grades, estimates, or reports on the examination or proper standing of an individual examined;

((3)) makes a false representation concerning the mark, grade, estimate, or report on the examination or proper standing of an individual examined, or concerning the individual examined; or

((4)) furnishes to an individual any special or secret information for the purpose of improving or injuring the prospects or chances of an individual examined, or to be examined, being appointed, employed, or promoted;