1. A final or definitive modification to a legal document, contract, or legislative text that settles a matter with binding authority and leaves no room for further dispute or interpretation
The conclusive amendment to the contract resolved all outstanding disputes between the parties.
A emenda conclusiva ao contrato resolveu todas as disputas pendentes entre as partes.
2. In legislative contexts, an amendment that definitively alters or clarifies the original text in a way that cannot be contradicted by other provisions
Parliament passed a conclusive amendment to the tax law that eliminated all ambiguity regarding corporate deductions.
O Parlamento aprovou uma emenda conclusiva à lei tributária que eliminou toda ambiguidade quanto às deduções corporativas.