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What is the minimum number of authenticated signatures that Article 87 of the Constitution requires for a popular legislative initiative?

Sources: 1 link, read on 22 October 2026.

Constitución Española (BOE, texto consolidado), read on 22 October 2026.

Answer: 500,000. Article 87.3 says that in any case no fewer than 500,000 authenticated signatures will be required.

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Task 1 · Government, institutions and legislation Related to question 1049 of the manual

The question in Spanish

¿Cuántas firmas acreditadas exige como mínimo el artículo 87 de la Constitución para la iniciativa popular de proposiciones de ley?

The options

What the source says

«3. Una ley orgánica regulará las formas de ejercicio y requisitos de la iniciativa popular para la presentación de proposiciones de ley. En todo caso se exigirán no menos de 500.000 firmas acreditadas. No procederá dicha iniciativa en materias propias de ley orgánica, tributarias o de carácter internacional, ni en lo relativo a la prerrogativa de gracia.»

Source: Constitución Española (BOE, texto consolidado), read on 22 October 2026. The quotation is in Spanish, as the source prints it; the English wording of the answer is ours.

About number 1049

A practice question written by CiviqPass on the topic of question 1049 of the free CCSE manual (Instituto Cervantes, task 1): it covers a nearby point, in other words. The question and its options are ours.

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