Banning guns in public buildings makes all persons in the building vulnerable to attack, except for criminals and terrorists. It is unlawful to deny citizens the right to bear arms. It also makes no sense. Security is the first human need in Maslow's list, begin with security and you will not have to fear.  A well-armed citizenry is the first line of defense against criminals and terrorists. 

Further, the legal citation referenced as supporting this regulatory action does not appear to be relevant. The referenced law provides for administering contracts relevant to government buildings.

Stop this regulatory action.