If a mandatary has spent for his own benefit any money which he ought to deliver to the mandator or which is to be used for the mandator's benefit, he or she shall pay interest thereon as from the day on which he or she spent such money, and if there are any further damages, he or she shall also be liable therefor.
Civil Act — Article 685 (Mandatary's liability for pecuniary consumption of money)
민법 제685조
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