There are multiple definitions - click on the translation that matches your context.

alteração adversa relevante

substantivo

full

material adverse change

noun

Comparative law notes

Portugal

In Brazil, the expression "cláusula MAC" is commonly used when referring to the material adverse change clause in M&A agreements.

Definitions of material adverse change

English

serious deterioration in the borrower's credit standing

The credit agreement contains a prohibition on borrowing in the event of a material adverse change.