Tariff rate quota

Tariff Rate Quota. Tariff rate quotas provide two rates of duty for a product -- a lower within quota rate and a higher over quota rate.

Tariff Rate Quotas
(Customs) Application of a higher duty rate to imported goods after a specified quantity of the item has entered the country at a lower prevailing rate.
Tariff Schedule ...

A tariff rate quota.
Tariff rate quota
A combination of an import tariff and an import quota in which imports below a specified quantity enter at a low (or zero) tariff and imports above that quantity enter at a higher tariff.

establishes that the complaint is valid, relief may be granted in the form of adjustment assistance, which may be training, technical, and financial assistance, or temporary import restrictions in the form of tariffs, quotas, tariff rate quotas, ...

See also: Tariff, Trade surplus, Developing countries, Quotas, Tariffs