115 年司律一試 綜合法學(二)商法 第 60 題

A promise which the promisor should reasonably expect to induce action or forbearance on the part of the promisee or a third person and which does induce such action or forbearance is binding if injustice can be avoided only by enforcement of the promise. The remedy granted for breach may be limited as justice requires. Such statements set forth the doctrine of promissory .

• A liability
• B estoppel
• C responsibility
• D consistency

考選部公告標準答案:B

詳解

題幹整段是美國第二次契約法整編第90條的經典文字：允諾人可合理預期其允諾將引誘相對人或第三人為一定作為或不作為，且確實引起該信賴，若非強制履行即無法避免不公平時，該允諾具拘束力，救濟並得依公平原則限縮。這就是 promissory estoppel（允諾禁反言），用以在欠缺約因時仍賦予允諾拘束力，故選 (B)。(A) liability 與 (C) responsibility 只是泛稱責任；(D) consistency 並非契約法上既有的制度名稱。故選 B。