N.C. Gen. Stat. § 43-54

The assurance fund shall not be liable to pay any loss, damage or deprivation occasioned by a breach of trust, whether expressed, constructive or implied, by any registered owner who is a trustee, or by the improper exercise of any power of sale in a mortgage or deed of trust. Nor shall any plaintiff recover as compensation under the provisions of this Chapter more than the fair market value of the land at the time when he suffered the loss, damage or deprivation thereof.