The Limits of Ablution, Its Order and Reward
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 11
وَ رُوِيَ فِي حَدِيثٍ آخَرَ: «فِيمَنْ بَدَأَ بِغَسْلِ يَسَارِهِ قَبْلَ يَمِينِهِ أَنَّهُ يُعِيدُ عَلَى يَمِينِهِ ثُمَّ يُعِيدُ عَلَى يَسَارِهِ » وَ قَدْ رُوِيَ «أَنَّهُ يُعِيدُ عَلَى يَسَارِهِ.
It has been narrated in another report: "In the case of someone who starts washing their left arm before their right, they should wash their right arm again and then wash their left arm again”. It has also been reported, "that they should wash their left arm again”.
- Ṣaḥīḥ al-Faqīh