The changes require disclosure of donor identities for any party donations over $5,000 versus the current $15,000.
The three waters reform will not prove its worth as quickly as it could if economic regulation is delayed until 2030, says the head of the water regulator for Scotland, the template for NZ's reforms.
Confine FPAs only to vulnerable sectors, says a legal expert.
Geof Mortlock's letter was addressed to both finance minister Grant Robertson and RBNZ chair Neil Quigley.