However, appointment to a post in the bakufu came to be decided taking into account not only Chigyo daka (a stipend in terms of rice production of the estate) but also the functional skill of the person, and on occasions, some excellent samurai were chosen by the Shogun's retainers and installed in important posts, but they could not pay for the expenses associated with the post from their 'chigyo daka' alone and could fall into poverty.
しかし、幕府の役職人事が知行高のみならずその職務能力なども考慮して行われるようになると、優秀な人材を抜擢して要職に就けた場合、それに伴う経費の負担をその知行高の範囲では賄いきれない場合もあり、却ってその幕臣が困窮する事態も生じた。