Jenee Tibshraeny: NZ Herald Wellington business editor on the warning letter the RBNZ chair sent to Treasury - Heather du Plessis-Allan Drive

It's been revealed the Reserve Bank chairman sent a warning letter to Treasury in the wake of Adrian Orr's resignation.

Neil Quigley warned that it would  'immediately destroy the goodwill' between the two entities if it publicly released details of the fateful meeting.

NZ Herald Wellington business editor Jenee Tibshraeny explained further.

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