《旧唐书·本纪·卷十六》
从此宰相开创了从每贯钱中抽取小利的做法，制命一下达，人心都不舒畅，故而停止这项措施。
至是宰臣创抽贯之利，制下，人情不悦，故罢之。
Since then, the Prime Minister initiated the practice of taking small profits from every thousand coins. As soon as the order was issued, people's minds were not comfortable. Therefore, the measure was suspended.