From 1 July 2018, GST was generally applied to sales of low value imported goods into Australia.
Here is official announcement from Australian Taxation Office(Australian Government).
Based on GST enforcement, for applicable order based on customs value, each shop (seller) will charge you 10 % of the GST-exclusive price of the goods sold (including costs such as shipping and insurance).
These are definitions of terms:
1. Customs value
・The amount after coupon is applied.
・The amount before points are applied.
・Exclude the amount of shipping fee.
2. GST-exclusive price
・The amount after coupon is applied.
・The amount before points are applied.
・Include the amount of shipping fee.
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5~10分前後
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30分以上
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平均 3日