He would also speak to his party leader and former Northland MP Winston Peters, and if necessary would approach the Local Government Commission to see if there was some way of improving the "spirit" of the council and stakeholders.
"But first I need to talk to John," he added.
Meanwhile Mr Carter said in the 2016/17 year the council had processed 89 per cent of building consent applications within the statutory time frames, despite dealing with record numbers of applications and skill shortages as a result of the building boom.
International Accreditation New Zealand (IANZ) had commented positively on the council's consent processes when the accreditation body conducted a routine audit last year.
"That doesn't mean there isn't room for improvement," he said.
"We are addressing issues raised by IANZ, and we try hard to remedy reasonable customer complaints when they arise.
"But neither the council nor IANZ believes it is up to ratepayers to pay for staff to correct and complete applications on behalf of developers, especially when they choose not to take advantage of pre-application meetings with staff, which speed up the processing of applications."
Nor was it correct to say the council was not willing to settle disputes outside court, he said.
"Legal action is always a last resort, and we often reach agreement by mediation or by negotiating directly with people," he said.
"We also have a duty to act in the interests of ratepayers when this approach fails."
The council was currently taking legal action against four people over unpaid debts and alleged breaches of contract, he said.