Musannaf Ibn Abi Shayba 13:1476

Abu Bakr narrated to us, he said: Ibn Idris narrated to us, from Shu'bah, from Qatadah, from Sa'id ibn al-Musayyib, who said: Shurayh erred, even though he was a judge. He said: Zayd ibn Thabit used to begin with the debt.