Liability of damages is a mandatory obligation of one party to compensate for damages caused to another party in a legally binding relationship and other party is authorized to demand such compensation. There are some general assumptions which are necessarily to fill in for the state of being a mandatory obligation. The most important forms of liability of damages are a non-contractual, pre-contractual and contractual responsibility, subjective and objective responsibility, a from of responsibility to self and the other, a responsibility of several persons for the same demage and special cases of responsibility. The term of civil liability for other's acts is defined in our law, article 1055 to 1062. Civil Obligations Act. The most important forms of civil liability for other's acts are the responsibility for the minors, the responsibility for the mentally ill and dificient persons, employer's liability for damage caused to a third party by an employee at work or in relation with work, during the time he is employed with the employer and the liability of legal person for damage caused by its body. A responsible person shall compensate for this damage, unless he has proven that the damage has not occurred as a result of his own faul or if he is proved that he has exercised supervision to which he is obliged or that the damage could not have been prevented even with due care in exercising supervision. A responsible person can be relived of liability.