Each enforcement proceeding instituted pursuant to this part shall
be conducted before an Administrative Law Judge designated by the Chief
Administrative Law Judge for the Department of Labor except, however,
that when the Administrative Law Judge approves a stipulated agreement
for appropriate remedial action, he shall prepare his recommended
decision and order adopting that agreement and transfer the case to the
Assistant Secretary. The Assistant Secretary may order the remedial
action set forth in the stipulated agreement or take such other action
as he deems appropriate.