What the source says
Carlos Martín Urriza appears in the 2023 elected-members workbook.
The source associates this elected result with Madrid and the candidature label SUMAR (SUMAR).
Carlos Martín Urriza is named as elected for Madrid in Spain's official 2023 Congress elected-result workbook under SUMAR. This is a historical result record, not a current-tenure claim.
The source associates this elected result with Madrid and the candidature label SUMAR (SUMAR).