323   Influencing witnesses and jurors

A person who does any act:

(a)  intending to procure, persuade, induce or otherwise cause any person called or to be called as a witness in any judicial proceeding to give false evidence or withhold true evidence or to not attend as a witness or not produce any thing in evidence pursuant to a summons or subpoena, or

(b)  intending, other than by the production of evidence and argument in open court, to influence any person (whether or not a particular person) in the person’s conduct as a juror in any judicial proceeding, whether he or she has been sworn as a juror or not,

is liable to imprisonment for 7 years.