SummaryHasluck is unusual in the lengths he went to the define the responsibilities of the various offices in which he was involved. Many of the functions and processes of government have changed since Hasluck was an active participant in the political process. Interest groups have increasingly influenced political decision‐making, organisations external to the public service now play a greater role in influencing the development of public policy, the operation of a number of areas of the public service has become more visible and open to external scrutiny, there has been a constant trend towards political appointments within the public service, and it appears unlikely that the emphasis on public relations and marketing techniques as an integral feature of government communication will diminish. Likewise, the demands on ministers' time have increased and, while it is questionable whether ministers now handle a larger ministerial workload than Hasluck did, it is doubtful whether very many then or since have had his capacity for hard work or for handing the matters which cross their desk without the support of a professional advisory staff.The functions and operations of government evolve and the adaptation of roles and functions may not necessarily weaken the effectiveness of government administration. However, the fundamental tenet of Hasluck's writings on the roles of government remains compelling: the participants in the various areas of government should have an appreciation of the constitutional responsibilities of their position, its relationship to other areas of government and the fundamental principles which are required to maintain the credentials of the office into the futur