The Sufficient (Vol 7) · Hadith 585 (#Ḥadīth #8)
Chapter 8 | The Case of the Testimony of One Person and the Oath of the Plaintiff
8- مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ عَلِيِّ بْنِ الْحَكَمِ عَنْ أَبِي أَيُّوبَ الْخَزَّازِ عَنْ مُحَمَّدِ بْنِ مُسْلِمٍ عَنْ أَبِي عَبْدِ اللهِ قَالَ كَانَ رَسُولُ اللهِ ﷺ يُجِيزُ فِي الدَّيْنِ شَهَادَةَ رَجُلٍ وَاحِدٍ وَيَمِينَ صَاحِبِ الدِّينِ وَلَمْ يَكُنْ يُجِيزُ فِي الْهِلالِ إِلا شَاهِدَيْ عَدْلٍ.
8. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from Ali ibn al-Hakam from abu Ayyub al-Khazzaz from Muhammad ibn Muslim who has narrated the following: “Abu ‘Abd Allah, Alayhi al-Salam, has said that the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause, in the matter of loan accepted the testimony of one man and the oath of the creditor. However, in the case of the sighting of new moon he would only accept two witnesses.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).