There's been concerns out of Parliament over Fonterra's future.
Peters is asking the dairy giant questions about its proposed nearly $4 billion dollar sale of brands like Anchor and Mainland to a French company.
He's laying out a number of questions, including how long the deal is, and if it's repeating mistakes from the past.
The Country's Hamish McKay explained further.
LISTEN ABOVE
Take your Radio, Podcasts and Music with you