A former employee of Note Printing Australia making business was advised to stay quiet about alleged corruption at the firm, a parliamentary committee has been told. AAP reported on the hearing.Brian Hood, who was made redundant by the note-making company in September 2008, appeared before a federal parliamentary joint committee inquiring into the integrity of overseas commonwealth law enforcement operations.He told the committee in Sydney that at his farewell lunch, then Reserve Bank of Australia deputy governor Ric Battellino shook his hand and told him to stay quiet about events at NPA."It was a pretty clear message and I took it literally," Hood told the committee."It was a sensitive matter, that it was confidential, and he wanted it to remain confidential ... and he didn't want me to say anything about it."