DSS released updated guidance IAW with SEAD- 4 regarding foreign passport holders:
Upon returning the foreign passport or identity card to the cleared employee, the facility security officer, or designated JPAS user acting on behalf of the contractor, will remind the cleared employee of their responsibility to enter and exit the United States using their U.S. passport.
The cleared contractor will submit incident reports if any cleared employees report use of a foreign passport to enter or exit the United States.