债务加入成立论

——基于意思自治与权益保护的双重视角

中图分类号：D913；D923 文献标识码：A 文章编号：1004-0714（2025）07-0120-05

Abstract：Tofullyrespect theautonomyof the crediton‘swil1，the establishment ofdebt joinderis based onthe principleofabilaterallegalact.The third party‘sexpressionofintention to join the debt tothe creditorisanoffer.Withinareasonable period，the third partydoes not have theright to withdraw theoffer.When the offer reaches the creditor，the creditorobtainstheright toaccept it.If the creditor does notexpressanyintention，itisconsideredtoacceptthedebt joinder.Toreasonablyprotecttheinterests ofthethirdparty，debt joindercanbeestablished bytheunilateral act of thethird partywhenthethird partyhasa legitimate interestin the debtor‘s debt.The establishment of debt joinder does not require the consentof the debtorin principle，but incases where debt joindermay infringeupon theinterests of the debtor，thedebtor hastherighttoobject.Theeffectof thedebtor exercisingtherightofobjectionis that thedebt joinderisnot established.

Keywords：Debt Joinder;Bilateral Legal Act;Unilateral Act；Right of Objection

原《中华人民共和国合同法》未规定债务加人制度，历经司法实践发展，《中华人民共和国民法典》以下简称《民法典》）在总结有益经验的基础上，在第552条新增了债务加人制度的规定。（剩余10607字）