Provided, however, That no findings and order of a FEP agency shall be considered final for purposes of this section unless the FEP agency shall have served a copy of such findings and order upon the Commission and upon the person claiming to be aggrieved and shall have informed such person of his or her rights of appeal or to request reconsideration, or rehearing or similar rights; and the time for such appeal, reconsideration, or rehearing request shall have expired or the issues of such appeal, reconsideration or rehearing shall have been determined.
29 C.F.R. §1601.21