Salvadoran passports (Spanish: Pasaporte salvadoreño) are issued to citizens of El Salvador to travel outside the country.Passports are issued by the Ministry of Foreign Affairs or, if the citizen resides abroad, at the Salvadoran embassy.Besides serving as proof of identity and of citizenship, they facilitate the process of securing assistance from Salvadoran consular officials abroad, if needed.Like all Central American passports the cover is navy with gold fonts stating the official name of the country in Spanish and in English.The Central America-4 Border Control Agreement (CA-4) was a treaty signed in June 2006 between the Central American nations of El Salvador, Guatemala, Honduras and Nicaragua, establishing the free movement across borders between the four signatory states of their citizens without any restrictions or checks.