The Source of Traditions on Imam al-Riḍā (Vol 2) · Hadith 246 (#Ḥadīth #246)

246 - وَبِإِسْنادِهِ عَنِ النَّبِي صَلَّى اللهُ عَلَيْهِ وَآلِهِقالَ: عَفَوتُ لَكُمْ عَنْ صَدَقَةِ الخَيلِ وَالرَّقيقِ.

31-246 According to the same documentation, the Prophet (S) said, “I forgo the alms-tax on horses and slaves.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).