The telco has agreed that it took advantage of indigenous people in remote areas and people with poor English skills.
The move is the latest in a number of actions by regulators and Government against the grocery duopoly.
The amendments also include other professional services providers and extend coverage to around 90,000 entities.
Miller takes over from Peter King, who was intended to be an interim chief but lasted five years in the top job
Similar action has been initiated in the New Zealand High Court.
Fortescue was an early-stage investor in Christchurch-based Fabrum.
The bond trading scandal has also spread to New Zealand, with the FMA looking at claims of market manipulation.
The bank now says inflation won’t be at the mid-point of its target range until 2026.
The ASX abandoned the project last year and took a A$176m writedown.
The former CEO is expected to still walk away with about A$12m.