29 CFR §471.11

1. (a)Filing complaints. An employee of a covered contractor may file a complaint alleging that the contractor has failed to post the employee notice as required by the Executive Order and this part; and/or has failed to include the employee notice clause in subcontracts or purchase orders. Complaints may be filed with the Office of Labor-Management Standards (OLMS) or the Office of Federal Contract Compliance Programs (OFCCP) at 200 Constitution Avenue, NW., Washington, DC 20210, or with any OLMS or OFCCP field office.
2. (b)Contents of complaints. The complaint must be in writing and must include:
   1. (1)The employee's name, address, and telephone number;
   2. (2)The name and address of the contractor alleged to have violated the Executive Order and this part;
   3. (3)An identification of the alleged violation and the establishment or construction work site where it is alleged to have occurred;
   4. (4)Any other pertinent information that will assist in the investigation and resolution of the complaint; and
   5. (5)The signature of the employee filing the complaint.
3. (c)Complaint investigations. In investigating complaints filed with the Department under this section, the Director of OFCCP will evaluate the allegations of the complaint and develop a case record. The record will include findings regarding the contractor's compliance with the requirements of the Executive Order and this part, and, as applicable, a description of conciliation efforts made, corrective action taken, and/or enforcement recommended.