National supports closing a political donations loophole, but wants it dealt with separately to legislation already before Parliament.
Cabinet will today consider recommendations about a technicality allowing a political party to set up a shadow entity, and funnel anonymous donations through it.
One remedy could be to insert it into a bill making changes to electoral law, which includes dropping the disclosure threshold from $15,000 to $5000.
National leader Christopher Luxon says the loophole needs to be fixed.
The ACT Party agrees the loophole should be closed urgently, otherwise New Zealand remains vulnerable to interference, including from overseas.