An overview of legal procedure & case law
A person must not organise or take, or threaten to organise or take, any action against another person with intent to coerce the other person, or a third person, to:
employ, or not employ, a particular person; or
engage, or not engage, a particular independent contractor; or
allocate, or not allocate, particular duties or responsibilities to a particular employee or independent contractor; or
designate a particular employee or independent contractor as having, or not having, particular duties or responsibilities.
A person cannot take action which will force another person to make specific business decisions which they would not otherwise make.
A union representative must not threaten to organise industrial action to force the employer to only employ members of the union in the future.
There are no exceptions.