Contract of revolt - Ikkikeiyaku

...This procedural format means that the law regulates not only the vassals but also their lord, the Rokkaku clan, and in accordance with this format, more than half of the provisions in the code restrict the Rokkaku clan's arbitrary administration, such as by requiring fair trials. On the other hand, the purpose of the senior vassals, who themselves acted as proponents of the law and swore to the daimyo that they would abide by it, and who sought to regulate themselves through the law, was to conclude a contract of vassals' rebellion, which would mean cooperation between lords that would put aside the conflicts of interest between the lords. The greatest feature of this code is that the two characteristics of concluding an ikki-like agreement between lords and restricting the daimyo's arbitrary administration were combined in the direction of protecting the lord's interests in a situation that was in danger due to the emergence of a powerful federation of soson. ...

*Some of the terminology explanations that refer to "Ikki Contract" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…この手続形式は，この法が家臣のみならず主君六角氏をも規制することを意味し，この形式に応じて，その内容も公正な裁判を行うことを求めたものなど，六角氏の恣意の施政を制約する条文が半数以上を占めている。一方，重臣たちがみずから主唱者として立法し，大名に遵守を誓い，法によってみずからを規制しようとした目的は，領主相互間における利害の対立を捨てた領主間の協調という家臣の一揆契約の締結であった。この一揆的領主間協約の締結と大名の恣意的施政の制約という二つの特徴が，強力な惣村の連合体の出現によって危機にひんした状況のもとで，領主権益の擁護という方向で結び合わさって成立しているところに，この法典の最大の特徴がある。…

※「一揆契約」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報