To the extent practicable, consistent with requirements of law, the Bureau's policy is to conduct such adjudication proceedings fairly and expeditiously. In the conduct of such proceedings, the hearing officer and counsel for all parties must make every effort at each stage of a proceeding to avoid delay. With the consent of the parties, the Director, at any time, or the hearing officer at any time prior to the filing of the hearing officer's preliminary findings and conclusions, may change any time limit prescribed by this part.