Many institution participate in the formulation of trade policies; United States Trade Representative (USTR), The Trade Policy Review Group, The Trade Policy Staff Committee
(TPSC), Five policy advisory committees, 22 technical and sectoral advisory committees and the State governments.
Trade preference programs have proliferated over time, becoming more complex, but neither Congress nor the interagency Trade Policy Staff Committee
that manages the programs has formally considered them as a whole.
Developed through an interagency process with representatives from relevant foreign policy, environmental, and economic agencies participating in their preparation, the guidelines place responsibility for performing environmental reviews in the hands of the USTR through an interagency Trade Policy Staff Committee
. This committee is made up of senior-level civil servants, and its work is performed by a network of staff-level subcommittees.