Dec 7 (Reuters) - Aurizon Holdings Ltd AZJ.AX :
* QUEENSLAND COMPETITION AUTHORITY PUBLISHED FINAL DECISION ON AURIZON NETWORK'S DRAFT ACCESS UNDERTAKING FOR 1 JULY 2017 TO 30 JUNE 2021
* AURIZON NETWORK HAS 60 DAYS TO RESPOND AND ALL AVAILABLE OPTIONS WILL BE CONSIDERED
* DISCUSSIONS ARE ONGOING BUT NO AGREEMENT HAS BEEN REACHED