In the insei period (period of the government by the retired Emperor), however, there existed the ideas of 'Tanen ryosho' (long-term territory reign) and 'Keinenjo' (order over time) as well as the existence of a deed as a basic criterion in lawsuits about lands in the Court noble society.
ただし、院政期には公家社会における土地を巡る訴訟においては基本的な判断材料とされた証文の有無とともに「多年領掌」「経年序」の考え方も合わせて存在している。