Hadith 5603
´It was narrated that 'Abdul-Malik bin At-Tufail Al-Jazari said:` "Umar bin 'Abdul-Aziz wrote to us, saying: 'Do not drink the thickened juice of grapes (obtained by boiling it down) until two-third of it has gone and one-third is left. And every intoxicant is unlawful.'"
Hadith 5730
´It was narrated that 'Abdul-Malik bin Tufail Al-Jazari said:` "Umar bin 'Abdul-'Aziz wrote to us (saying): 'Do not drink At-Tila' (thickened grape juice) until two-third of it are gone and one-third remains, and every intoxicant is unlawful.'"