حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، عَنِ السَّائِبِ بْنِ يَزِيدَ، أَنَّ عُثْمَانَ بْنَ عَفَّانَ، كَانَ يَقُولُ هَذَا شَهْرُ زَكَاتِكُمْ فَمَنْ كَانَ عَلَيْهِ دَيْنٌ فَلْيُؤَدِّ دَيْنَهُ حَتَّى تَحْصُلَ أَمْوَالُكُمْ فَتُؤَدُّونَ مِنْهُ الزَّكَاةَ ‏.‏

Yahya related to me from Malik from Ibn Shihab from as-Sa'ib ibnYazid that Uthman ibn Affan used to say, "This is the month for you topay your zakat. If you have any debts then pay them off so that youcan sort out your wealth and take the zakat from it." Translation Not Available

Book Ref: Muwatta Imam Malik Book 17 Hadith 596
Web Ref:  Muwatta Imam Malik Book 17 Hadith 17