In 731, the position of sokan (a military position with power over the provinces of the Kinai region) was created in the Kinai region, and the position of chinbushi (an official charged with pacifying public unrest) was established in Sanindo, Sanyodo and Nankaido.
731年（天平3）畿内に惣官（そうかん）、山陰・山陽・南海道に鎮撫使（ちんぶし）を新設。