The Tłı̨chǫ Government expressed "concern" over the N.W.T's decision not to approve an application by Diavik Diamond Mine to begin a process of progressive reclamation. The Tłı̨chǫ raised its issue with the decision in a letter dated July 27, stating the problem is around jurisdiction. The letter was addressed to Shane Thompson, the minister of environment and natural resources, claiming he is ignoring the treaty by rejecting a recommendation by the Wek'èezhı̀ı Land and Water Board, the land management authority for the area created after the Tłı̨chǫ agreement.