General interpretation guideline93-96 C2. Provisions relating to the fundamental rights and liberties recognised by the Constitution shall be construed in conformity with the Universal Declaration of Human Rights and international treaties and agreements thereon ratified by Spain.
CHAPTER 1
Spaniards and Aliens
Section 11
Nationality14, 23, 29, 30, 35, 59.4, 60.1, 149.1.2. C1. Spanish nationality shall be acquired, retained and lost in accordance with the provisions of the law.
2. No person of Spanish birth may be deprived of his or her nationality.
Dual nationality treaties93-96 C3. The State may negotiate dual nationality treaties with Latin-American countries or with those which have had or which have special links with Spain. In these countries Spaniards may become naturalized without losing their nationality of origin, even if those countries do not grant a reciprocal right to their own citizens.
Section 12
Full legal age23, 39, 149.1.8, Add. Prov. 2. CSpaniards come legally of age at eighteen years.
Section 13
Aliens' rights10-55, 149.1.2 C1. Aliens in Spain shall enjoy the public freedoms guaranteed by the present Part, under the terms to be laid down by treaties and the law.
23, 68.5 C2. Only Spaniards shall have the rights recognised in section 23, except in cases which may be established by treaty or by law concerning the right to vote and the right to be