Citizenship by birth
(1) Subject to subsection (2), a person is a New Zealand citizen by birth if—
(a) the person was born in New Zealand on or after l January 1949 and before 1 January 2006; or
(b) the person was born in New Zealand on or after 1 January 2006, and, at the time of the person's birth, at least one of the person's parents was—
(i) a New Zealand citizen; or
(ii) entitled in terms of the Immigration Act 1987 to be in New Zealand indefinitely, or entitled to reside indefinitely in the Cook Islands, Niue, or Tokelau.