The Australasian Radiation Protection Society(ARPS) and Australian Radiation Protection and Nuclear Safety Agency(ARPANSA) would like to invite you to the 5th International Symposium on the System of Radiological Protection in Australia in 2019. This combined event will offer the opportunity for more than 400 professionals, experts and researchers worldwide to discuss their respective concerns and the current challenges faced in all areas of radiological protection, as well as the ways forward through new research, updating doctrines, or better interactions with stakeholders