Fact sheet Ten: The new child support formula and the costs of children Attachments Fact sheet Ten: The new child support formula and the costs of children [100.4 kB]Listen to PDFHTML Version Date: 1 June 2008Author: Australian Government Department of Families, Housing, Community Services and Indigenous Affairs This fact sheet outlines the new formula used to calculate child support payments from 1 July 2008. Last updated: 26 September 2013 - 2:02pm