News: QMS QMS Media Confirms Fy19 EBITDA Guidance Of $56 Mln To $58 Mln, page-30

All media services groups, including OOH offer discounts and media buyer rebates. It's almost the sole basis of the Free to Air Ad model. Been this way forever.

The issue is more around the risks of predatory pricing and exclusions which the larger OOH operators may be more exposed to in theory.

Suggest the ACCC is just throwing its weight around following consolidation in the sector. Pricing power has always rested with the large media buyers and that's not about to change.