In accordance with the NSW Rail Access Undertaking, the Tribunal has reviewed the compliance of the Australian Rail Track Corporation (ARTC) - an infrastructure owner - with the provision of the NSW Rail Access Undertaking, which relates to asset valuation roll forward principles and the operation of the ceiling test and unders and overs account for 2010/11. On 29 June 2011, the ACCC accepted an access undertaking from ARTC for the Hunter Valley rail network. This undertaking applies for a 5 year term. For 2011/12 onwards please refer to the ACCC