Powell v Thompson - [1991] 1 NZLR 597

Agency — Power of attorney — Attorney signed agreement and transfer on behalf of co-owners to meet attorney's personal debts — Contravention of fundamental nature of relationship.

Trusts and trustees — Constructive trust — Knowing receiver — Knowing assistant — Sale by one of three tenants in common in equal shares — Agreement and transfer signed on behalf of other tenants in common using powers of attorney — Purchaser knew of others' interest in property — Purchaser liable to plaintiffs as constructive trustee either as knowing receiver of trust property or as a knowing assistant in a breach of trust.