Customs duties and tariffs
Customs duties are collected on the basis of a
customs tariff, which is a "document specifying the rates of duty to be applied on various imported products."
(Termium,
Customs Tariff, visited 2010-11-03)
Tariffs are
"levied either on an ad valorem basis (percentage of value) or on a specific basis (e.g. $7 per 100 kgs.).
Tariffs give price advantage to similar locally-produced goods and raise revenues for the government."
(World Trade Organization
, Tariffs ,
Glossary Term, visited 2010-11-03)
