Vagueness of laws

Name(s): 
Vague laws
Vague regulations
Nature 
A law may be considered vague if it fails to define possible offences with sufficient precision so that ordinary people can understand what conduct is prohibited or so as to discourage arbitrary and discriminatory application.
Incidence 
Within some legislations, such vagueness may be prohibited by statute.
Strategy(ies) 
Value(s) 
Type 
(F) Fuzzy exceptional problems