ECOWAS Implements Common External Tariff Effective January 1, 2015 ECOWAS member countries effective January 1, 2015, will begin the implementation of the ECOWAS Common External Tariff, CET. This means that member countries will be paying a uniform tariff at all borders in the sub-region. The Director, Multi Regional and Bilateral at the Ministry of Finance, Nyame Baafi noted that the implementation of the CET will go a long way to harmonize trade and minimise smuggling of goods across the borders. He was speaking at a sensitisation workshop for stakeholders in Accra. GBC