(1) In this regulation custodian means custodian as defined in the Immigration (Guardianship of Children) Act 1946 of the Commonwealth;guardianship service means a service provided by a custodian to a non-citizen child under the Immigration (Guardianship of Children) Act 1946 of the Commonwealth;non-citizen child means a non-citizen child as defined in the Immigration (Guardianship of Children) Act 1946 of the Commonwealth.(2) A guardianship service is prescribed to be a regulated activity for the purposes of the definition of regulated activity in section 3 of the Act.