customs duties in Polish:

1. cła

Polish word "customs duties"(cła) occurs in sets:

Business English free trade
regulating the financial sector
Finanse i biznes
market leader
kolokwium 1 & 2

2. opłaty celne

Polish word "customs duties"(opłaty celne) occurs in sets:

Ekonomia i nie tylko.

3. należności celne

Polish word "customs duties"(należności celne) occurs in sets:

(12) Distribution & Promotion – transport and logi...