Imperial Household Council how and when this event will take place. Article XXVIII of the Imperial Household Law provides that the Imperial Household Council shall consist of: Article XXX of the Imperial Household Law provides that other ten members shall be appointed as reserve members of the Council: The reserve members are as follows: , literally "Imperial Representative", refers to the Imperial Family members elected as members of the Imperial Household Council by mutual election among the adult members of the Imperial Family excluding the Emperor. They vote to elect two reserve members from the Imperial Family in the same way. Princess Yori
Imperial units firearms and ammunition. Imperial measures are still used in the description of cartridge types, even when the cartridge is of relatively recent invention (e.g., .204 Ruger, .17 HMR, where the calibre is expressed in decimal fractions of an inch). However, ammunition that is already classified in metric is still kept metric (e.g., 9×19mm). In the manufacture of ammunition, bullet and powder weights are expressed in terms of grains for both metric and imperial cartridges. As in most of the western world, air navigation is based on "nautical" units, e.g., the nautical mile, which is neither imperial nor metric, though altitude