41 C.F.R. § 50-205.6 Complaints.
Title 41 - Public Contracts and Property Management
When a complaint of alleged safety and health violations by an employer apparently subject to the Act is filed with a State agency, that agency shall transmit a copy of the complaint to the cooperating office of the Department of Labor within 5 days from the receipt of the complaint. All complaints shall be considered confidential and shall not be disclosed to any employer without the consent of the complainant.
Title 41: Public Contracts and Property Management
PART 50–205—ENFORCEMENT OF SAFETY AND HEALTH STANDARDS BY STATE OFFICERS AND EMPLOYEES
§ 50-205.6 Complaints.