Section 842.910 - Oversight of coverage determinations(a) Upon deciding that a position is a nuclear materials courier position, the agency head must notify OPM (Attention: Associate Director for Retirement and Insurance) stating the title of each position, the number of incumbents, and whether the position is primary or secondary. The Director of OPM retains the authority to revoke the agency head's determination that a position is a primary or secondary position, or that an individual's service in any other position is creditable under 5 U.S.C. 8412(d) .(b) The Department of Energy must establish a file containing each coverage determination made by the agency head under § 842.903 and § 842.904 , and all background material used in making the determination.(c) Upon request by OPM, the Department of Energy will make available the entire coverage determination file for OPM to audit to ensure compliance with the provisions of this subpart.(d) Upon request by OPM, the Department of Energy must submit to OPM a list of all covered positions and any other pertinent information requested.