D.C. Mun. Regs. tit. 8, r. 8-A1601
An employee who submits or seeks to submit a grievance in accordance with this chapter shall not be impeded or discouraged, nor shall the employee be subjected to any restraint, interference, discrimination, coercion, or reprisal in connection with a grievance.
In addition to the right of self-representation, an employee shall have the right to have any person, including legal counsel, represent or accompany the employee at any stage of the for al grievance process, as set forth in §§ 1607 and 1608.
If legal counsel is obtained by an employee, that representation shall be at the expense of the employee.
The fact that a grievance has been filed by an employee, regardless of the nature of the grievance or its ultimate disposition, shall not be made a part of the employee's personnel file.
The fact that a grievance has been filed by an employee, regardless of the nature of the grievance or its ultimate disposition, shall not be made a part of any file, record, or material that is utilized in any promotion or evaluation process.
The fact that a grievance has been filed by an employee, regardless of the nature of the grievance or its ultimate disposition, shall not be made a part of or used in connection with any application or recommendation for employment or job placement.
D.C. Mun. Regs. tit. 8, r. 8-A1601