As the Monchujo, which at first was responsible for lawsuits and judicial affairs in general, could no longer cope with the increasing number of lawsuits, much faster handling of the cases was called for.
問注所は当初、訴訟・裁判事務全般を所管したが、訴訟事案の増加に伴い、次第に事案が滞り始め、事務処理の迅速化が求められるようになった。