What is the name of the 2003 law that recognised indigenous languages as national languages with the same validity as Spanish, and created the National Institute of Indigenous Languages?

• A Ley General de Educacion
• B Ley Federal de Cultura
• C Ley de Patrimonio Cultural
• D Ley General de Derechos Linguisticos ✓

This law marked the first time indigenous languages received formal legal recognition, establishing bilingual education and interpretation rights.