National Bank of New Zealand Ltd v Waitaki International Processing (NI) Ltd - [1997] 1 NZLR 724

Contract — Bailment — Allegations of breach of contract — Whether contractual relationship or gratuitous bailment — Nature of remedies.

Contract — Mistake — Mistakes arising in the course of the general contract of banker and customer — Whether relationship one of contract - Whether mistakes within the terms of the Contractual Mistakes Act 1977 — Contractual Mistakes Act 1977, s 6.

Equity — Unjust enrichment — Necessary elements — Available defences if causes of action established.

Equity — Mistake — Innocent recipient of a payment altering position — Need to take into account competing equities — Whether relief is available apart from relief under Judicature Act 1908 — Need for apportionment to recognise competing equities — Judicature Act 1908, s 94B.