After issuance of specific findings of fact and proposed action by the Director as provided in § 702.414 any affected provider employer or other interested party has the right to seek a hearing pursuant to section 556 of title 5, United States Code. Upon written request for such a hearing, the matter shall be referred by the District Director to the OALJ for formal hearing in accordance with the procedures in subpart C of this part. If no such request for a hearing is filed with the district director within thirty (30) days the findings issued pursuant to § 702.414 shall be final.