وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَقُولُ مَنِ اسْتَقَاءَ وَهُوَ صَائِمٌ فَعَلَيْهِ الْقَضَاءُ وَمَنْ ذَرَعَهُ الْقَىْءُ فَلَيْسَ عَلَيْهِ الْقَضَاءُ ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umarused to say, "If some one makes himself vomit while he is fasting hehas to make up a day, but if he cannot help vomiting he does not haveto make up anything." Translation Not Available

Book Ref: Muwatta Imam Malik Book 18 Hadith 680
Web Ref:  Muwatta Imam Malik Book 18 Hadith 47

---