The non-traditionally made swords from this period are called shōwatō, after the regnal name of the Emperor Hirohito, and in 1937, the Japanese government started requiring the use of special stamps on the tang (nakago) to distinguish these swords from traditionally made swords. During this period of war, older antique swords were remounted for use in military mounts. Presently, in Japan, shōwatō are not considered to be "true" Japanese swords, and they can be confiscated.