June 8 (Reuters) - Tabcorp Holdings Ltd TAH.AX
* Australian Competition Tribunal confirmed it extended period in which to make determination on co's application for authorisation to proceed with Tatts group merger
* Tribunal said it anticipates that it may need additional time to consult with parties to ensure that its final determination
* Tabcorp and Tatts are progressing other government and regulatory approvals and working towards implementing transaction in Q3 2017 Source text for Eikon: ID:nASX1D3vc3 Further company coverage: TAH.AX