Chapter on Additions
Tahdhīb al-Aḥkām|Volume 4|Book 1|Chapter 39
وَ عَنْهُ عَنْ أَبِي جَعْفَرٍ عَلِيِّ بْنِ مَهْزِيَارَ قَالَ: قَرَأْتُ فِي كِتَابٍ لِأَبِي جَعْفَرٍ عَلَيْهِ اَلسَّلاَمُ مِنْ رَجُلٍ يَسْأَلُهُ أَنْ يَجْعَلَهُ فِي حِلٍّ مِنْ مَأْكَلِهِ وَمَشْرَبِهِ مِنَ اَلْخُمُسِ فَكَتَبَ بِخَطِّهِ» مَنْ أَعْوَزَهُ شَيْءٌ مِنْ حَقِّي فَهُوَ فِي حِلٍّ«.
And from him, from Abu Jafar Ali ibn Mahziyar, who said:
I (Ali ibn Mahziyar) read in a letter to Abu Ja’far عليه السلام, peace be upon him, from a man asking Imam عليه السلام to ‘place him in release regarding his food and his drink from the khums.’ Imam عليه السلام wrote in his own handwriting: "Whoever is in need of anything from my (the Imams عليه السلام) right, then he is in release."
- Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 4, p. 190
- Ṣaḥīḥ al-Tahdhīb, p. 344