Every one is liable to imprisonment for a term not exceeding 7 years who—
(a) dissuades or attempts to dissuade a person, by threats, bribes, or other corrupt means, from giving evidence in any cause or matter (whether civil or criminal, and whether tried or to be tried in New Zealand or in an overseas jurisdiction); or
(b) influences or attempts to influence, by threats or bribes or other corrupt means, a member of a jury in his or her conduct as such (whether in a cause or matter tried or to be tried in New Zealand or in an overseas jurisdiction, and whether the member has been sworn as a member of a particular jury or not); or
(e) wilfully attempts in any other way to obstruct, prevent, pervert, or defeat the course of justice in New Zealand or the course of justice in an overseas jurisdiction.