Undertaking of co-exist obligation and undertaking of obligation exempting liability which is requlated in Article 84 in Contract Law of the People s Republic of China compose the system of shifting obligation and are applied in the different fields.
并存的债务承担制度在我国现行法律制度中并无明确规定,由此造成法律实务中适用法律出现困境,该制度与我国《合同法》第八十四条规定的免责的债务承担制度一起构成了债务移转制度,二者各有不同的适用领域。
Assumption of debt can be classified into exempt assumption of debt and cumulative assumption of debt.
其中,该章着重分析了债务人与承担人订立免责债务承担合同之情形,认为此系无权处分债权人之债权,非经债权人同意,该合同效力待定。