[Code of Federal Regulations] [Title 43, Volume 1] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR4.28] [Page 71] TITLE 43--PUBLIC LANDS: INTERIOR PART 4_DEPARTMENT HEARINGS AND APPEALS PROCEDURES--Table of Contents Subpart B_General Rules Relating to Procedures and Practice Sec. 4.28 Interlocutory appeals. There shall be no interlocutory appeal from a ruling of an administrative law judge unless permission is first obtained from an Appeals Board and an administrative law judge has certified the interlocutory ruling or abused his discretion in refusing a request to so certify. Permission will not be granted except upon a showing that the ruling complained of involves a controlling question of law and that an immediate appeal therefrom may materially advance the final decision. An interlocutory appeal shall not operate to suspend the hearing unless otherwise ordered by the Board.