28 C.F.R. § 44.300 – Filing a charge.

(a) Who may file: Charges may be filed by:
1. (1) Any injured party;
2. (2) Any individual or entity authorized by an injured party to file a charge with the Special Counsel alleging that the injured party is adversely affected directly by an unfair immigration-related employment practice; or
3. (3) Any officer of the Department of Homeland Security who alleges that an unfair immigration-related employment practice has occurred or is occurring.
(b) Charges shall be filed within 180 days of the alleged occurrence of an unfair immigration-related employment practice. A charge is deemed to be filed on the date it is postmarked or the date on which the charging party otherwise delivers or transmits the charge to the Special Counsel.
(c) Charges may be sent by:
1. (1) U.S. mail;
2. (2) Courier service;
3. (3) Electronic or online submission; or
4. (4) Facsimile.
(d) No charge may be filed respecting an unfair immigration-related employment practice described in § 44.200(a)(1)(i) if a charge with respect to that practice based on the same set of facts has been filed with the Equal Employment Opportunity Commission under Title VII of the Civil Rights Act of 1964, as amended, unless the charge is dismissed as being outside the scope of such title. No charge respecting an employment practice may be filed with the Equal Employment Opportunity Commission under such title if a charge with respect to such practice based on the same set of facts has been filed under this section, unless the charge is dismissed as being outside the scope of this part.