• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)

ASANO Daizaburo
Chairman, Central Election Management Council

OZAWA Ryuichi
Professor, Jikei University School of Medicine

EBASHI Takashi
Professor, Faculty of Law, Hosei University

HONDA Masatoshi
Associate Professor, National Graduate Institute for Policy Studies

YAMAHANA Ikuo
Former Member of the House of Representatives, Special Researcher, JPU Research Institute

TAKADA Ken
Representative, Institute for International Politics

• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)

TAMURA Shigeru
Associate Professor, Niigata Law School

BABA Yasushi
President, Niigata Bar Association

FUJIO Akira
Professor Emeritus, Niigata University

OCHI Toshio
Professor, Department of Information Culture, Niigata University of International and Information Studies

• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)

IMAI Hajime
journalist and Secretary General of the Referendum Information Office

NAKANO Kansei
President, Research Institute for New Age Policies

YOSHIDA Eiji
Professor, Faculty of Law, Kansai University

NAKAKITA Ryutaro
Attorney-at-law

• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)

• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)

MOMOCHI Akira
Professor, College of Law, Nihon University

NIWAYAMA Shoichiro
Representative Director, Japan Civil Liberties Union, attorney-at-Law

KOBAYASHI Yohei
Director, Designated Non-Profit Organization "Rights"

TANABE Hatsue
housewife

NAMBU Yoshinori
graduate student, Omiya Law School

MATSUSHIGE Miwa
local civil servant

MORIKAWA Fumito
attorney-at-Law

• Bill for Law Concerning Procedures for Amendment of the Constitution of Japan (presented by Mr. YASUOKA Okiharu and five others: House of Representatives Bill No. 30)
• Bill for Law Concerning Initiation Procedures and National Referendums for Amendment of the Constitution of Japan and Other Important Matters of State (presented by Mr. EDANO Yukio and three others: House of Representatives Bill No. 31)