ARTICLE 13: MODALITIES OF THE TARIFFS
The tariffs referred to in the previous article may adopt the following modalities:
Tariff-quota (RLCE: Art. 15) (RLCE: Art. 16), when a tariff level is established for a certain quantity or value of exported or imported merchandise, and a fee different from the exports or imports of those merchandise that exceed said amount;
Seasonal tariff, when different tariff levels are established for different periods of the year, and
The others indicated by the Federal Executive.