Power of Attorney–Cancellation of–Effect–The power holder having exercised the authority conferred to convey the properties in the names of the purchasers, the cancellation of the power of attorney will have no effect on the conveyances carried out under the valid power conferred–Nor it would confer the person who executed the power of attorney any cause of action by virtue of the cancellation of the power conferred by a subsequent document, to challenge the valid exercise of the power when it existed.
