日本国憲法第62条
「憲法改正草案」、国立国会図書館「日本国憲法の誕生」。
両議院ハ各々国務ニ関スル調査ヲ為シ之ニ関スル証人ノ出頭、証言ノ供述及記録ノ提出ヲ要求スルコトヲ得ルモノトシ此ノ場合
The Diet shall have the power to conduct investigations, to compel the attendance and testimony of witnesses and the production of records, and to punish for refusal to comply.