the terms promised to the First Nation's Band. The Court relied on principles from equity, that an agent, working on behalf of a principal, must act at all times in the principal's best interests. The Crown had breached their fiduciary obligation and thus the damages awarded by the lower court should be adopted to compensate for the Band's loss. Aftermath The principle of "fiduciary duty" later became integral in the interpretation of Section 35 of the Constitution Act, 1982 which provides for protection of Aboriginal rights. See also Calder v British Columbia (AG) (1971) R v Sparrow (1990) Delgamuukw v British Columbia (1997) Tsilhqot'in Nation v British Columbia (2014) Grassy Narrows First Nation v. Ontario (Natural Resources) (2014) References Further reading Aboriginal land title in Canada External links full text of decision from canlii.org annotated summary of Guerin Supreme Court of Canada cases Canadian Aboriginal case law 1984 in Canadian case law Aboriginal title in Canada