After he hung up, Ridsdale said he told his sisters about the phone conversation. "I remember saying to both my sisters: 'The bastard just tried to bribe me'."
Commission chairman Justice Peter McClellan says Pell will be required to make a statement about the claims.
Church counsel Peter Gray SC said Pell, now the finance chief at the Vatican, has publicly and repeatedly said his recollection of the conversation is quite different.