Te Moauaroa v Public Trustee - (1891) 10 NZLR 281

"The West Coast Settlement Reserves Acts Amendment Act, 1887," Section 7 — The word "may" — Permissive or Imperative — Confirmed Lease — Notice of Surrender by Lessee — Discretion of Public Trustee — New Lease — Arbitration — Award — Term of Thirty Years — Restriction in Grant to Twenty-one Years — Right of Renewal — Compensation for Improvements — Regulations — Ultra vires.