For the purposes of Volume 3 (Insurance), providers licensed to undertake activities falling under AU-A.1.2 (a) are categorised as 'insurance firms'; those under (b), as 'insurance brokers'; those under (c), as 'insurance consultants'; those under (d), as 'insurance managers'; and those under (e), as 'insurance exchange operators'. A provider of regulated insurance services can only hold one of the above license categories; different categories may not be combined.