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Child maintenance and expenses

When maintenance starts after custody changes

Supreme Court · Civil Chamber · STS 31/2026
· Note published and reviewed: 2026-10-27

The issue and the court’s approach

When shared custody changed to maternal custody, the Supreme Court rejected backdating maintenance to the application where support had continued through alternating residence until the appeal decision.

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Official source and identification

Supreme Court · Civil Chamber · STS 31/2026 · 2026-01-19

This is an original explanatory note. The cited material is official supreme court summary / chronicle. Where a summary or study is cited, this note does not claim a full-text review of the judgment.

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General information on Spanish law. Application depends on the facts, applicable legislation and subsequent developments. English text is explanatory, not an official translation.

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