Section 831.1611 - Oversight of coverage determinations(a) Upon deciding that a position is a customs and border protection officer position, the agency head must notify OPM (Attention: Associate Director, Retirement Services, or such other official as may be designated) stating the title of each position, occupational series, position description number (or other unique identifier), 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.(b) The Department of Homeland Security must establish and maintain a file containing all coverage determinations made by the agency head under § 831.1603 and § 831.1604 , and all background material used in making the determination.(c) Upon request by OPM, the Department of Homeland Security 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 Homeland Security must submit to OPM a list of all covered positions and any other pertinent information requested.