Is it permissible for a company owner to deduct days from an employee's leave balance to resolve a dispute between employees?

An employer is not permitted to deduct a portion of a worker's wage as a punishment for a quarrel that occurred between him and his colleagues, because that is consuming people's wealth unjustly. The wealth of a Muslim is not permissible except with his willing consent. Furthermore, financial chastisement is not for individuals, but rather for the ruler or his deputy.