Air New Zealand has made an 11th hour bid to withdraw admissions it made to the Commerce Commission in the long-running air freight cartel case.
A penalty hearing this afternoon was adjourned for a week after the airline filed new proceedings in the case.
Justice Christopher Allan said the airline now believed some of the material it had based its settlement on had not been reliable.
The judge said it would be "most unusual" to have an agreement cancelled by the defendant.
Commerce Commission lawyer Brendan Brown said the settlement related to activity in Australia, Japan and Malaysia.