The Sufficient (Vol 4) · Hadith 296 (#Ḥadīth #5)
Chapter 6 | Verifying the Rise of the New Moon and Finding Witnesses for It
5ـ عِدَّةٌ مِنْ أَصْحَابِنَا عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ عَلِيِّ بْنِ الْحَكَمِ عَنْ سَيْفِ بْنِ عَمِيرَةَ عَنِ الْفَضْلِ بْنِ عُثْمَانَ قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيْهِ السَّلاَم) لَيْسَ عَلَى أَهْلِ الْقِبْلَةِ إِلاَّ الرُّؤْيَةُ لَيْسَ عَلَى الْمُسْلِمِينَ إِلاَّ الرُّؤْيَةُ.
5. A number of our people have narrated from Ahmad ibn Muhammad ibn ‘Isa from Ali ibn al-Hakam from Sayf ibn ‘Amirah formal- Fadl ibn ‘Uthman who has said the following: “Abu ‘Abd Allah , has said, ‘People of al-Qiblah (al-Ka‘bah) must see the crescent. The Muslims must see the crescent.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).