Sunan an-Nasa'i, Hadith 5601 ⓘ
It was narrated that As-Sa'q bin Hazn said: "Umar bin 'Abdul-'Aziz wrote to 'Adiy bin Artah (saying): 'Every intoxicant is unlawful.'"
أَخْبَرَنَا سُوَيْدٌ، قَالَ أَنْبَأَنَا عَبْدُ اللَّهِ، عَنِ الصَّعْقِ بْنِ حَزْنٍ، قَالَ كَتَبَ عُمَرُ بْنُ عَبْدِ الْعَزِيزِ إِلَى عَدِيِّ بْنِ أَرْطَاةَ كُلُّ مُسْكِرٍ حَرَامٌ .
also referenced under: Book 51, Hadith 63 (In-Book) & Volume 6, Book 51, Hadith 5604 (DarusSalam)