8. It is a narration from him (narrator of the previous Hadith) by his father from Ibn Abi ‘Umayr from Rifa‘ah and Muhammad ibn Yahya from Ahmad ibn Muhammad from al-Hassan ibn Ali from Rifa‘ah, who has said the following: “I once asked abu ‘Abd Allah , about a cut-off hand for Wudu’. He (the Imam) said, ‘One must wash the cut-off part.”’