The reference in the definition of non-communications services to ancillary or incidental services is intended to clarify that an NBN corporation may supply a range of supplementary services to customers that enable the customer to supply services to end-users. Examples of this are facilities access services (such as leasing of duct or conduit space) or access to an NBN corporation’s operational and business support 73 systems (to facilitate service ordering, provisioning and billing). The reference to ancillary or incidental services is also intended to permit NBN corporations to engage in the provision of minor services necessary in the conduct of a business, such as subleasing of surplus office space.