Lack of law means ousted NZ First member can stay in Parliament ... but it'll be a tough life.

Independent MP Brendan Horan's last links with New Zealand First - the party which took him into Parliament - are likely to be severed following a board meeting on Monday evening.

NZ First president Kevin Gardener yesterday confirmed Mr Horan's membership was on the agenda for the board's Monday meeting where Leader Winston Peters was expected to give his reasons for expelling him from the NZ First Caucus this week.

Mr Peters yesterday said he was relaxed that his decision to expel Mr Horan following allegations the MP had taken money from his dying mother's bank accounts was the right one.

Mr Gardener said he had confidence in Mr Peters' judgement, "and all the board will".

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Mr Horan, who is expected back in Parliament on Tuesday, refused to comment.