Members of the four opposition parties will hold the House of Councilors Political Ethics Committee next week to file a petition for review. The chairpersons of the Diet Committee of the Liberal Democratic Party and the Constitutional Democratic Party have met regarding the issue surrounding the political funding party of a faction of the Lib Dem Party.

The House of Councillors' review committee requires complaints from five or more members, one-third of the 15 members, and since there are five members from fourOpposition parties, only opposition parties can submit complaints.