The law at that time required the submission of a designated amount of tax to pass the Zuryo-koka-sadame (criteria to determine if one is eligible for employment) to be assigned to an official government post, and Yoshiie's rank remained unchanged.
当時の法制度からは、定められた官物を収めて、受領功過定に合格しなければ、新たな官職に就くことができず、義家は官位もそのままに据え置かれた。