Questão jurídica principal
Whether the child-support modification could apply retroactively to the date requested by the debtor
Decisão extraída
Retroactive reduction was not available on the debtor's theory by analogy to Art. 279(1) CC.
Fundamentação extraída
The Federal Supreme Court reiterated that its case law expressly rejects applying Art. 279(1) CC by analogy when the debtor seeks modification of maintenance.