is guilty
of an offence and liable to imprisonment for 5 years.
(2) This section does
not take away the liability of any person to be prosecuted for or found guilty
of an offence under this Act or of any other offence, or affect the punishment
that may be imposed for any such offence. However, a person who--
(a) has been
convicted or acquitted of an offence under this section cannot be prosecuted
for any other offence under this Act on the same, or substantially the same,
facts, or
(b) has been convicted or acquitted of any other offence under this
Act cannot be prosecuted for an offence under this section on the same, or
substantially the same, facts.