This notice serves to publish the approved Sole Source Justification (LSJ) for restricting consideration to only one source under a Federal Supply Schedule order, in accordance with FAR 8.405-6 and GS... This notice serves to publish the approved Sole Source Justification (LSJ) for restricting consideration to only one source under a Federal Supply Schedule order, in accordance with FAR 8.405-6 and GSAM 538.70.