Chapter on the Adhan and the Iqamah
Tahdhīb al-Aḥkām|Volume 2|Book 1|Chapter 14
عَلِيٌّ عَنْ أَبِيهِ عَنْ خَالِدِ بْنِ سَعِيدٍ عَنْ يُونُسَ عَنِ اِبْنِ مُسْكَانَ عَنْ أَبِي بَصِيرٍ قَالَ: سَأَلْتُهُ عَنِ اَلرَّجُلِ يَنْتَهِي إِلَى اَلْإِمَامِ حِينَ يُسَلِّمُ فَقَالَ« لَيْسَ عَلَيْهِ أَنْ يُعِيدَ اَلْأَذَانَ فَلْيَدْخُلْ مَعَهُمْ فِي أَذَانِهِمْ فَإِنْ وَجَدَهُمْ قَدْ تَفَرَّقُوا أَعَادَ اَلْأَذَانَ»
Ali from his father, from Khalid ibn Sa'id, from Yunus, from Ibn Muskan, from Abu Basir, who said:
I asked Imam عليه السلام about a man who reaches the imam (of prayer) while he is giving the salutation (at the end of prayer). Imam عليه السلام said: "It is not upon him to repeat the Adhan; rather, he should enter with them with their Adhan. But if he finds that they have dispersed, he must repeat Adhan."
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 299
- Ṣaḥīḥ al-Tahdhīb, p. 174