Recommendation 11.1 in the report reads that the Australian Government should monitor the effects and assess the costs and benefits of changes to the tax status of working holiday makers and the eligibility of voluntary work as an input to the 88 days of employment needed to get a year’s extension to a working holiday visa.
According to the Productivity Commission, “If the community-wide costs are found to outweigh the benefits, the Government should revisit these changes with a view to varying the conditions of the changes or rescinding them.”
The full report can be read here: http://www.pc.gov.au/inquiries/completed/migrant-intake/report