関税局―保険料及び航空特例運賃の取り扱いについて適用料率を公示3月26日
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CTB announces the estimated insurance fee and freight for when they are unavailable
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CIF value related insurance premium when their amounts are not available
http://www.customs.go.jp/koujigaku/hokenryofumei.htm
CIF value related Insurance and freight when sea freight is applied for air cargo
http://www.customs.go.jp/koujigaku/unchintokureitekiyou.htm?