18D   Act or omission that is both an offence and contempt

(1)  An act or omission may be punished as a contempt of a commission even though it could be punished as an offence.

(2)  An act or omission may be punished as an offence even though it could be punished as a contempt of a commission.

(3)  If an act or omission constitutes both an offence and a contempt of a commission, the offender is not liable to be punished twice.