Constitutionality's the condition of acting in accordance with an applicable constitution; the status of a law, a procedure, or an act's accordance with the laws or guidelines set forth in the applicable constitution. When one of these (laws, procedures, or acts) directly violates the constitution it's unconstitutional. All the rest are considered constitutional until challenged and declared otherwise. An act (or statute) enacted as law either by a national legislature or by the legislature of… (More on Constitutionality)