A written opinion issued by the Muromachi bakufu in 1439 described that "the degree of shitsu shows how maliciously Boji (signs placed at the border between territories) was distorted" and regarded it as an effective solution to disputes over the boundary between territories since an unreasonable claim would be reflected in the the result of yugisho.
また、永享11年の室町幕府の意見書でも「湯起請の失の深浅は、牓示姧曲の多少による」とされ、不当な主張をすれば湯起請の結果に反映されるとして、境相論の解決法として有効とみなしていた。