If any pro­vi­sion of this Agree­ment or any appli­ca­tion there­of should be ren­dered or declared unlaw­ful, invalid or unen­force­able by virtue of any judi­cial action, or by any exist­ing or sub­se­quent­ly enact­ed fed­er­al or state leg­is­la­tion, or by Exec­u­tive Order or oth­er com­pe­tent author­i­ty, the remain­ing pro­vi­sions of this Agree­ment shall remain in full force and effect.  In such event, upon the request of either par­ty, the par­ties shall meet prompt­ly and nego­ti­ate with respect to sub­sti­tute pro­vi­sions for those pro­vi­sions ren­dered or declared unlaw­ful, invalid or unenforceable.