日本国憲法第69条
内閣ハ国会カ全議員ノ多数決ヲ以テ不信任案ノ決議ヲ通過シタル後又ハ信任案ヲ通過セサリシ後十日以内ニ辞職シ又ハ国会ニ解散を命スヘシ国会カ解散ヲ命セラレタルトキハ解散ノ日ヨリ三十日ヨリ少カラス四十日ヲ超エサル期間内ニ特別選挙ヲ行フヘシ新タニ選挙セラレタル国会ハ選挙ノ日ヨリ三十日以内ニ之ヲ召集スヘシ
Within ten days after the passage of a resolution of non-confidence or the failure to pass a resolution of confidence by a majority of the total membership of the Diet, the Cabinet shall resign or order the Diet to dissolve. When the Diet has been ordered dissolved a special election of a new Diet shall be held not less than thirty days nor more than forty days after the date of dissolution. The newly elected Diet shall be convoked within thirty days after the date of election.