Daganayasi v Minister of Immigration - [1980] 2 NZLR 130

Administrative law — Natural justice — Fairness — Judicial review of Minister's decision under s 20A of the Immigration Act 1964 declining to order that overstayer not be deported — Overstayer mother of New Zealand-born child with rare disease — Minister asked medical referee to comment on necessity of child remaining in country for treatment — Referee's report prejudicial to overstayer but contents not disclosed to her — Whether Minister's decision invalid on grounds of procedural unfairness and/or mistake of fact.