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BOE-A-2026-16353 ·28 July 2026 ·otro not-relevant
Administrative

Deputies: new requirements for forming Parliamentary Groups via reform of Art. 23 of the Congress Rules

The reform of the Congress Rules amends Article 23 to update the regime for the formation of Parliamentary Groups. It establishes that a group of at least fifteen deputies may be formed, or alternatively, formations that, while not reaching that minimum, hold at least five seats and meet specific voting thresholds (10% in their constituencies or 3% nationally) (Art. 23.1). Furthermore, the formation of separate groups by members of the same party or by formations that did not contest the elections against each other is prohibited (Art. 23.2).

In 3 key points

  1. Formation of a group with a minimum of 15 deputies or 5 seats with specific voting thresholds, Art. 23.1 (art. 23.1)
  2. Prohibition of separate groups for members of the same party, Art. 23.2 (art. 23.2)
  3. Entry into force during the 16th legislature, final provision (disposición final)

How it affects those involved

For political formations and their representatives, the rule alters the conditions for accessing Parliamentary Group status, affecting their capacity for initiative and presence within the Chamber's bodies. Parties with fewer than fifteen seats must strictly comply with the new voting thresholds (Art. 23.1) to avoid fragmentation or a lack of group recognition. An operational restriction is imposed that prevents deputies from the same party, or from parties that did not compete together in the elections, from forming separate groups (Art. 23.2).

Lifecycle

2026-07-28PublishedPublished in the BOE
Official text Based on BOE data (boe.es). Information, not advice.

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This analysis is informational only and does not constitute legal advice or create a client-adviser relationship. BM Consulting.
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