In 791, Daijokanpu (an official document of the Daijokan sent to local governments) ("Ruiju sandaikyaku" [a statute book written in the Heian Period]) that afforded additional Hakase-shikiden to Daigaku Hakase (Professor of Education) and Myobo Hakase (Professor of Law) but retained the same distribution for Monjo Hakase (Professor of Literature and History), San Hakase (Professor of Arithmetic) and other professors was issued.
791年には大学博士（明法博士）と明法博士に博士職田の加増が行うが、文章博士・算博士などの他の博士の職田は現状維持とするという内容の太政官符（『類聚三代格』）が出されいる。