There are two important aspects here. First, one of the aims of this bill is to ensure that works, undertakings and businesses implement the act as effectively as possible. To enable them to do so, we need to use the clearest and simplest terms, concepts and rules.
Second, I want to make a brief comment about the courts, since you mentioned them. Sentencing authority is definitely one of their powers. However, if the facts are established by the Commissioner, the courts won't have authority to reconsider them.