The Enabling Protocol of the Customs Integration between Honduras and Guatemala came into force on May 13, 2016, which was approved by the Congress of Guatemala and Honduras on January 21, 2016 and December 8, 2015, respectively, deposited with the Secretariat of the Central American Integration System (SICA) on May 4, 2016.

"With the union between Guatemala and Honduras, a unique single customs territory of 44% of the total Central American territory (221.281 km2) is unified, along with 53% of the regional population (24.12 million) and 35% of the GDP (US $ 72.780 million). Moreover, half of the maritime cargo in the region is in both countries, component that makes this new customs territory more attractive for the local, regional and foreign investors' market.

The implementation of types of border stations considered in this Customs Union is under work: The Free Circulation/Trade Facilitation station, located in El Florido and Entre Rios/Corinto; Integrated Control Station located in Agua Caliente which began operations on June 1, 2015; and a total of 13 Peripherals stations in the first stage, 6 in Guatemala (Puerto Quetzal, Puerto Santo Tomas de Castilla, Puerto Barrios, Tecun Uman, El Carmen and Pedro de Alvarado) and 7 in Honduras (Puerto Cortes, La Fraternidad, El Amatillo, El Guasaule, Puerto Henecn -in San Lorenzo- and the airports of La Mesa and Toncontn)." According to SIECA.

Among the benefits from the customs unions are: expediting the movement of goods, increasing the average speed from 16 to 30 km/h, approximately. An additional increase of 1% of GDP is also estimated and the participation of micro, small and medium enterprises of both countries will be facilitated.