[Machine] Abu al-Zinad, and this used to be written in the contracts of workers during the time of Aban ibn Uthman and Hisham ibn Ismail, they prohibited it.
أَبُو الزِّنَادِ وَكَانَ ذَلِكَ يُكْتَبُ فِي عُهُودِ الْعُمَّالِ فِي زَمَانِ أَبَانَ بْنِ عُثْمَانَ وَهِشَامِ بْنِ إِسْمَاعِيلَ يَنْهَوْنَ عَنْهُ