Woolley v Fonterra Co-Operative Group Ltd - [2023] 3 NZLR 405

Contract — Breach — Contractual discretionary power to suspend collection of milk — Nature of any constraint on discretionary power to suspend milk collection — Enforcement order suspending milk collection until effluent disposal system functioning properly — Subsequent certification of effluent disposal system — Continuation of suspension — Whether breach of contract — Whether implied term in agreement to exercise discretionary power reasonably — Default rule — Expanded default rule — Nature of any constraint on discretionary power to suspend milk collection — Contractual preconditions to exercise of suspension power — Whether certificate sufficient to satisfy enforcement order — Whether sufficiency of certificate within the exclusive jurisdiction of Environment Court — Whether ruling a judgment in rem — Resource Management Act 1991 ss 314(1)(b)(i) and 338.