Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) narrates from the Prophet (peace and blessings be upon him) that he (peace and blessings be upon him) said: "Whoever swears a binding oath to usurp the property of a Muslim will meet Allah while Allah is angry with him." Its confirmation is in the Book of Allah: "Indeed, those who exchange the covenant of Allah and their oaths for a small price." [Surah Al Imran: 77] Sayyiduna al-Ash'ath bin Qays (may Allah be pleased with him) came in and said: What has Abu Abd al-Rahman narrated to you? They said: Such-and-such. He said: He has spoken the truth; this verse was revealed about me. I had a dispute with a man over land in Yemen. We brought the dispute to the Prophet (peace and blessings be upon him). He (peace and blessings be upon him) asked: "Do you have proof?" I said: No. He (peace and blessings be upon him) said: "Then his oath." I said: In that case he will swear. He (peace and blessings be upon him) said: "Whoever swears a false oath to usurp the property of a Muslim will meet Allah in a state where Allah is angry with him." The words of Allah are: "Indeed, those who exchange the covenant of Allah and their oaths for a small price." [Surah Al Imran: 77]
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشهادات / 20706