Possibility to appeal

NewZealand Electoral Act 1993 (2010), Part 8 –Election petitions, p. 351

242 Decision ofcourt to be final

All decisionsof the High Court under this Part shall be final

and conclusiveand without appeal, and shall not be questioned

in any way.

230 Electionpetitions to High Court

(1) An electionpetition to which section 229(3) applies may be presented to the High Court by1 or more of the following

persons:

(a) a personwho voted or had a right to vote at the election:

(b) a personclaiming to have had a right to be elected or

returned at theelection:

(c) a personalleging himself or herself to have been a constituency candidate at theelection.

What thisimplies is that those listed in a, b and c may directly petition the High Courtfor final determination. There are no other sequential appeal processes inbetween.      

http://aceproject.org/ero-en/regions/pacific/NZ/new-zealand-electoral-act-2010/view