Sec. 203.5 Field examiners. The field examiners in the Regional Offices are directly responsible to the Regional Directors and work under their direction. Essentially, they:
(a) Investigate petitions concerning the representation of employees, in accordance with section 9 of the National Labor Relations Act, and conduct secret-ballot elections where such procedure is required under the Act;
(b) Investigate charges of unfair labor practices under section 8 of the Act, have access to and the right to copy evidence, administer oaths and affirmations, examine witnesses, and receive evidence;
(c) Conduct hearings in proceedings under section 9 of the National Labor Relations Act and section 7(d) of the Fair Labor Standards Act;
(d) Perform all necessary acts required of them in connection with the foregoing and the published Rules and Regulations of the Board.