In the Diet, the House of Councilors will start full-fledged debate on the structure from this week. In the occasion of an emergency akin to a large-scale catastrophe or warfare, it’s anticipated that discussions can be held over whether or not the capabilities of the Diet could be maintained at an emergency session of the House of Councilors, which is stipulated within the Constitution.
Source
Full-scale debate on the Constitution within the House of Councillors To focus on sustaining the operate of the Diet within the occasion of an emergency | NHK
