Officials at the Ministry of Finance and Customs have kept customs offices at a standstill for the third day running.
Business groups are concerned about the extent of the emergency measure which has generated large economic losses for businesses.
Laprensagrafica.com reports, "At the customs border posts of El Poy, El Amatillo, The Chinamas and The Hachadura, staff of the National Civil Police (PNC) was deployed during the morning to streamline administrative processes and prevent transit through them being further affected.
Goods vehicles can not pass through customs posts at the Salvadoran border, where Treasury officials are on strike.
Various business groups have expressed concern about the strike, which is causing serious economic losses for businesses.
Regarding this, the Chamber of Commerce and Industry in El Salvador states that "We have learned from our partners that the suspension of customs duties has already begun to generate losses of perishable products, delays in delivery times and possible shortages of basic goods, especially vegetables from other countries in the region and those that supply El Salvador. "