SAO PAULO, June 20 (Reuters) - The president of Brazil's securities watchdog CVM on Tuesday urged employees from Americanas (AMER3.SA) with information about the retailer's alleged multi-billion-dollar fraud to give testimony in exchange for potential plea deals. Americanas last week admitted to a large-scale accounting fraud with current top managers slamming former executive, banks and auditors for their alleged involvement in "fraudulently altered" financial statements. Americanas filed for bankruptcy protection in January after uncovering an over $4 billion accounting scandal. The report issued on Tuesday accused ex-CEO Miguel Gutierrez and half a dozen other former executives and employees of committing fraud. Reporting by Patricia Vilas Boas; Writing by Carolina Pulice; Editing by Sarah Morland and Aurora EllisOur Standards: The Thomson Reuters Trust Principles.

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Persons: CVM, Joao Pedro Barroso, Nascimento, Americanas, Miguel Gutierrez, Patricia Vilas Boas, Carolina Pulice, Sarah Morland, Aurora Ellis Organizations: SAO PAULO, Federal, Thomson Locations: Americanas