"customs and octroi officers"

Octroi Gate, Paris
Creative Commons Attribution Share AlikeOctroi Gate, Paris - Credit: Gérald Garitan
 Octroi is a local tax on various items brought into an area, on the transfer of goods, or upon entry into or departure from a district. Octroi duties were collected by special officers. These have now mostly been abolished in Europe.

A customs duty is a tax on the importation of goods into a country.