The law says
IRPR r. 317(1)A decision or order made under the former Act that is in effect immediately before the coming into force of this section continues in effect after that coming into force.
Documents issued under former Act
(2)A document, including a visa, that is issued under the former Act and is valid immediately before the coming into force of this section continues to be valid after that coming into force.
Justice Laws is the authoritative version. If this copy and it ever differ, Justice Laws wins.