(1) Any exception, exemption, proviso, excuse or qualification to the offence
(whether or not it is in the same provision with a description of an offence
in an Act or statutory rule or document creating the offence) need not be
specified or negatived in an indictment or other process commencing
proceedings.
(2) The exception, exemption, proviso, excuse or qualification
may be proved by the accusedperson.
(3) If the exception, exemption,
proviso, excuse or qualification is specified or negatived in the indictment,
court attendance notice or other process commencing proceedings, the
prosecutor is not required to prove it.