In December, he submitted a draft of law of Minpoten (legal code provides for basic stipulation related to Civil Code) and the Commercial Legal Code to prime minister Kiyotaka KURODA and the Cabinet, and in April 1890, property part, acquisition of property part, security for an obligation part and evidence part of the Civil Code and civil action were issued.
12月、民法典、商法典の各法案を黒田清隆総理大臣及び内閣に提出（明治23年（1890年）4月、民法中の財産編・財産取得編・債権担保編・証拠編、民事訴訟が公布。