The Prayer of the Two Eids
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 79
وَ رَوَى سَعْدُ بْنُ سَعْدٍ عَنِ اَلرِّضَا عَلَيْهِ اَلسَّلاَمُ: فِي اَلْمُسَافِرِ إِلَى مَكَّةَ وَ غَيْرِهَا هَلْ عَلَيْهِ صَلاَةُ اَلْعِيدَيْنِ اَلْفِطْرِ وَ اَلْأَضْحَى قَالَ «نَعَمْ إِلاَّ بِمِنًى يَوْمَ اَلنَّحْرِ.
Sa'd ibn Sa'd narrated from al-Ridha عليه السلام regarding a traveler to Mecca or elsewhere, asking if the traveler is obligated to perform the Eid prayers (Eid al-Fitr and Eid al-Adha). He (Imam عليه السلام) said: "Yes, except in Mina on the Day of Sacrifice (Eid al-Adha)."
- Ṣaḥīḥ al-Faqīh