statutory exclusion noun2 •A situation which is not covered by a particular rule or process because of a statute.There are two types of actions that do not require extensive NEPA environmental documentation: categorical exclusions and statutory exclusions. — 2007 •(US) The legal requirement that under specified circumstances, a juvenile be tried as an adult, without the possibility of judicial discretion.Statutory exclusion is clearly the most rigid method of determining how a juvenile offender will be processed, and most determinations are based on serious offenses and age limits. — 1996 formsstatutory exclusions