Former Liberal Democratic Party Chairman Shimomura submits a review request to the House of Representatives Political Ethics Committee. He is said to have been one of the executives who discussed the handling of party income kickbacks to members of the Abe faction.

He told opposition parties requesting to attend the review board that they express their intention to attend. He said, "I would like to have a screening meeting as soon as possible and provide a thorough explanation without falsehoods" The ruling and opposition parties have decided to discuss the schedule of the review committee.