Any employee of the Federal Government may be detailed to the interagency working group established under paragraph (1) without reimbursement, and that detail shall be without interruption or loss of civil service status or privilege. (d) Reports (1) Preliminary assessment of potential barriers Not later 120 days after the date on which the interagency working group is established pursuant to subsection (c)(1), the Commission and the Secretary concerned shall jointly submit a report to the appropriate committees of Congress with a preliminary assessment of any potential barriers to sharing the information described under subsection (b)(2). (2) Assessments Not later than 1 year after the date on which the Commission provides the information described under subsection (b)(2) to the Department concerned, the Commission and the Secretary concerned shall jointly submit a report to the appropriate committees of Congress with— (A) an assessment of the effectiveness of a user’s ability to locate broadband infrastructure on covered land in an area to be determined as unserved by the Commission on the basis of the maps created under section 802(c) of the Communications Act of 1934 ( 47 U.S.C. 642(c) )