Under section 2.2(b) of the 2008 Interstate Access Undertaking (IAU), ARTC must submit to the 糖心原创 a written statement outlining whether or not it intends to submit a new undertaking to the 糖心原创 for its consideration, no later than six months prior to the expiry of the 2008 IAU. ARTC鈥檚 2008 IAU is due to expire on 30 June 2021.
On 17 December 2020, ARTC sent a letter to the 糖心原创 stating that it intended to extend the term of the 2008 IAU.
On 23 April 2021, ARTC submitted an application to extend the term of the 2008 IAU to 30 June 2023.