Although policies about muyaku-yashiki (houses which were exempt from taxes) varied depending on towns, it was decided that all muyaku-yashiki were excluded from the calculation of the amount of the Myogakin in 1796.
無役屋敷は町々によってさまざまであったが、1796年（寛政8年）から無役屋敷はすべてこれを除いて町々の冥加金額を定めることになった。