(a) Exceptions to recommended decision. Within 20 days after service of the recommended decision, findings, conclusions, and proposed order, the applicant or counsel for the Board may file written exceptions thereto. A supporting brief may also be filed.

(b) Decision by the Board. The Board shall render its decision within 90 days after it has notified the parties that the matter has been received for decision. The Board shall serve copies of the decision and order of the Board upon the parties. Judicial review of the decision and order may be obtained as provided in 5 U.S.C. 504(c)(2).