I am the son of a Salvadoran father and I need to obtain Salvadoran nationality, do I have to apply for residency?

I am the son of a Salvadoran father and I need to obtain Salvadoran nationality, do I have to apply for residency?   

You do not have to apply for residency, since as a child of a Salvadoran father or mother you have the right to dual nationality and the procedure to obtain Salvadoran nationality must be done through the Ministry of Foreign Affairs. http://www.migracion.gob.sv/

What is required to obtain an extension of stay in the country?

What is required to obtain an extension of stay in the country?

1. Application for extension of non-resident stay, form F44 available on the web page.

2. Original passport and photocopy of all pages used.

3. In the case of persons from Guatemala, Honduras and Nicaragua, they must present their identity card, if they used it at the time of their entry, or their residency document.

http://www.migracion.gob.sv/