Can the minister explain why, in the preamble in 66AY, the minister is able to authorise a person, in this case Mr Callinan, to inquire into all or any of those matters that he referred to? What is the relevance? It is effectively at the discretion of the minister to decide. After the parliament purports to set the terms of reference, the minister might constrain it to something less than the provisions in the bill. What is the purpose of that provision?