El Salvador, English
The faculty [facultad] to declare the inapplicability of the provisions of any treaty [that is] contrary to the constitutional precepts, will be exercised by the tribunals within the authority [potestad] to administer justice.
The declaration of unconstitutionality of a treaty, in a general and obligatory manner, will be made in the same form provided for [prevista] by this Constitution for the laws, decrees and regulations. (Art. 149)