noun
import surcharge
A tariff-like charge imposed on imported goods, often used in trade policy contexts.
政府は鉄鋼製品に輸入課徴金を課すことを検討している。
The government is considering imposing a surcharge on steel imports.
関税 is a general customs duty, while 輸入課徴金 specifically refers to an additional surcharge on imports, often for protective or retaliatory purposes.
Compound of 輸入 (import) + 課徴金 (surcharge, levy). The term is a straightforward modern coinage used in economic and legal contexts.