Any District Director, and the Director of the Office of Field Programs, or upon delegation, the Director of Field Management Programs, or any representatives designated by the Commission, may sign and issue a subpoena on behalf of the Commission. The subpoena shall state the name and address of its issuer, identify the person or evidence subpoenaed, the person to whom and the place, date, and the time at which it is returnable or the nature of the evidence to be examined or copied, and the date and time when access is requested. A subpoena shall be returnable to a duly authorized investigator or other representative of the Commission. Neither the person claiming to be aggrieved, the person filing a charge on behalf of such person nor the respondent shall have the right to demand that a subpoena be issued.
29 C.F.R. §1601.16