2158.A mandatary who exceeds his powers is personally liable to the third person with whom he contracts, unless the third person was sufficiently aware of the mandate, or unless the mandator has ratified the acts performed by the mandatary.
2158.Where a mandatary exceeds his powers, he is personally liable to the third person with whom he contracts, unless the third person was sufficiently aware of the mandate, or unless the mandator has ratified the acts performed by the mandatary.