CAJ | 학술논문

在当今给付行政时代，行政相对人从行政主体处获得不当得利的情形已大量出现。行政主体如何追索这些不当得利，我国大陆立法上并无明确规定，理论上的探讨也较少。参酌域外公法上返还请求权制度，在有授权的情况下，行政主体可以凭借自身的公权力直接对行政相对人采取强制返还措施。否则，应当通过诉讼获得返还。不过，基于信赖保护原则、衡平法理和时效等因素，行政主体的不当得利返还请求权应受到一定程度的限制。
재당금급부행정시대，행정상대인종행정주체처획득불당득리적정형이대량출현。행정주체여하추색저사불당득리，아국대륙입법상병무명학규정，이론상적탐토야교소。삼작역외공법상반환청구권제도，재유수권적정황하，행정주체가이빙차자신적공권력직접대행정상대인채취강제반환조시。부칙，응당통과소송획득반환。불과，기우신뢰보호원칙、형평법리화시효등인소，행정주체적불당득리반환청구권응수도일정정도적한제。
In the era of benefit administration, the phenomenon that administrative counterparts get unjust enrichment from administrative organizations emerges in large numbers. About how the ministrative organizations to recover these unjust enrichment, it is not explicitly stated in our legislation, and there are few papers in this regard. Considering the system on restitution of unjust enrichment from Germany, Japan and Taiwan, in the cases that administrative organizations are expressly or impliedly authorized by law, measures can be taken to force administrative counterparts returning the unjust enrichment; otherwise they can only sue. Meanwhile the power of forcing administrative counterparts returning the unjust enrichment must be restricted to a certain extent because of many causes, such as the trust protection principle, the balance theory and time limit.