How do you value a political donation when it's a plane on loan from a supporter?
That's a question the Electoral Commission is grappling with, following a complaint from Te Pāti Māori that ACT has failed to declare the loan.
In an election year, parties must report donations and loans that have a reasonable market value of more than $20,000.
Wellington-based lawyer Graeme Edgeler spoke to Ingrid Hipkiss.