30 CFR § 865.12 - Procedures for filing an application for review of discrimination.
(a) Who may file. Any employee, or any authorized representative of employees, who believes that he has been discriminated against by any person in violation of § 865.11(a) of this part may file an application for review. For the purpose of these regulations, an application for review means the presentation of a written report of discrimination stating the reasons why the person believes he has been discriminated against and the facts surrounding the alleged discrimination.
(2) On the date mailed to the Office.
(d) Running of the time of filing. The time for filing begins when the employee knows or has reason to know of the alleged discriminatory activity.