The Prayer of the Two Eids
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 79
وَ رَوَى اِبْنُ اَلْمُغِيرَةِ عَنِ اَلْقَاسِمِ بْنِ اَلْوَلِيدِ قَالَ: سَأَلْتُهُ عَنْ غُسْلِ اَلْأَضْحَى، قَالَ «وَاجِبٌ إِلاَّ بِمِنًى.
Ibn al-Mughira narrated from al-Qasim ibn al-Walid, who said: I asked Imam عليه السلام about the Ghusl (ritual purification bath) of Eid al-Adha. Imam عليه السلام said: "It is obligatory except for those in Mina."
- Ṣaḥīḥ al-Faqīh