# Sonora 2026-2027 electoral process preparations

> Developing situation record from CLSTR: https://clstr.news/situations/sonora-2026-2027-electoral-process-preparations
> Updated: 2026-11-09T15:11:40.000Z. Sources: 8. Developments: 2.

The State Electoral and Citizen Participation Institute (IEE) of Sonora has established several regulatory frameworks for the 2026-2027 Local Ordinary Electoral Process. The institute approved spending limits for the elections of governor, local deputies, and municipal councils. The cap for the governorship is set at 85,311,342.50 pesos, while the total cap for all 72 municipalities is 22,983,123 pesos. 

Additionally, the IEE approved measures to ensure gender parity and indigenous representation in the local Congress. Political parties are required to nominate indigenous candidates in districts 20 and 21, and candidate formulas must include both men and women.

The electoral calendar has been confirmed, with pre-campaigns for the state governorship scheduled to run from December 2, 2025, to January 10, 2027. Pre-campaign resource spending is capped at approximately 17 million pesos.

## Timeline

### 2026-11-09: Sonora and Nuevo León set electoral timelines

Sonora has announced its 2026-2027 electoral calendar, starting governorship pre-campaigns in December, while Movimiento Ciudadano prepares candidate registrations in Nuevo León.

2 sources. https://clstr.news/cluster/sonora-and-nuevo-len-set-electoral-timelines

### 2026-11-08: Sonora electoral institute sets 2026-2027 campaign spending limits

Sonora's IEE approved pre-campaign spending limits for the 2026-2027 elections, including 85.3 million pesos for the governorship and new measures for indigenous representation and gender parity.

6 sources. https://clstr.news/cluster/sonora-electoral-institute-sets-2026-2027-campaign-spending-limits

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Cite as: Sonora 2026-2027 electoral process preparations. CLSTR, https://clstr.news/situations/sonora-2026-2027-electoral-process-preparations