MOF-CTB announces as under that the tentative duty rates set in Temporary Tariff Measures Act (lower tariff) is not applicable from March 1, 2019 resulting from the mobilization of Article 7-3 of the Temporary Tariff Measure Act. This means the quota volume set in the Act had been imported by January 31. ?
http://www.customs.go.jp/kaisei/kokuji/H31kokuji/H31kokuji0058.pdf
Legal text of the measure can be read in English in this site
http://www.kanzei.or.jp/kanzei_law/01.htm
