In the legal context, marriage has been assigned essential importance by defining this mechanism as "a solemn contract, by which a man and a woman are united, indissolubly, for life, with the aim of living together, procreating and mutually supporting each other." Marriage is defined in these terms in civil law and only in some Constitutions including the 1987 Nicaraguan Constitution has the concept of marriage been modified to be understood as a voluntary union.
En el marco jurídico, le han asignado una importancia esencial al definir este mecanismo como un "contrato solemne, por el cual un hombre y una mujer se unen actual e indisolublemente y por toda la vida, con el fin de vivir juntos, de procrear y de auxiliarse mutuamente".