 Following a protracted investigation (during which time Fairburn resigned from the mission), in 1848 the Commission disallowed Fairburn's original claim, awarding him instead a much smaller grant of just under .The remainder of the land, including Otara, was retained by the Crown as "surplus land" to be onsold to European settlers.Following the protests of Hori Te Whetuki on behalf of Ngāi Tai, in 1854 the Commission granted a "Native Reservation" of just over at Duders Beach (Umupuia) to "the chiefs of the Ngatitai" and paid them £500 compensation, on the condition that they sign an agreement to vacate all other lands within the original purchase boundaries, and order all other iwi to do the same.