What the source says
Juan Carlos Ruiz Boix appears in the 2023 elected-members workbook.
The source associates this elected result with Cádiz and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).
Juan Carlos Ruiz Boix is named as elected for Cádiz in Spain's official 2023 Congress elected-result workbook under PSOE. This is a historical result record, not a current-tenure claim.
The source associates this elected result with Cádiz and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).