The saying of Allah, exalted be His praise: "Then when they reach their (waiting) term, either retain them in a good manner or part with them in a good manner, and take as witnesses two upright men from among you." [Surah al-Talaq: 2]
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الشهادات / Q20525