Party means--
(a) The grievant/charged employee;
(b) The Agency or Agencies employing the grievant/charged employee and/ or having control over the act, omission, or condition leading to appearance before the Board; or
(c) The exclusive representative if it has achieved party status under Sec. 903.4. A Party may act through its duly designated representative. [50 FR 31353, Aug. 2, 1985, as amended at 56 FR 55458, Oct. 28, 1991]