I am a HR Mgr. for an worker leasing association with over 100 employees sparse over 70 locations

I have only answered a pursuit posting upon a internet as well as found which a employer is regulating a worker leasing association to shade candidates. They called me to let me know which we have

One of my employees refused the post damage drug exam released by the worker leasing company. Can the Employee leasing association cancel my worker though my agree as well as with my antithesis to