The Government may launch legal action against the owners of the stricken Rena ship, in a bid to recoup costs from New Zealand's worst marine environmental disaster.
The financial liability of the ship's owners for dealing with the pollution is capped at about $14 million, so taxpayers will have to pay for any costs above this.
However Key told Newstalk ZB this morning it may be possible to take a case against the ship's owners under the Resource Management Act.
"If gross negligence is found then we can also take further legal action. So there are a couple of options available."
It's understood the the maximum fine under the RMA is $600,000.