According to a Political Officer of the Embassy of El Salvador in Washington, DC, the Family Code passed on December 13, 1993 legally recognizes common law marriages. Couples living together for three years enjoy the same rights in terms of property and child custody as all married couples.
Is a marriage certificate from another country valid in the US?
Generally, any marriage entered into between two U.S. citizens in another country is recognized as valid in the U.S. as long as the union was legal when and where performed. This means that as long as any issues that would invalidate the marriage at home (underage, incapacity, bigamy, blood relatives, etc.)
Is a marriage in a foreign country legal in the US?
Validity of Marriages Abroad In general, marriages which are legally performed and valid abroad are also legally valid in the United States. Inquiries regarding the validity of a marriage abroad should be directed to the attorney general of the state where you live.
What marriages are not recognized in us?
USCIS will not recognize (even if valid in the place it was celebrated): polygamous relationships; underage marriages; civil unions, domestic partnerships, or other such relationships not recognized as marriages in the place of celebration; proxy marriages where one person was not present during the ceremony; and