what was the 1958 migration act for
(September 2014). The Migration Act 1958 is an Act of the Parliament of Australia. Its long title is An Act relating to the entry into, and presence in, Australia of aliens, and the departure or deportation from Australia of aliens and certain other persons..The Migration Act 1958 is the current legislation governing immigration to Australia, and has been amended a number of times.n 1966, the First Holt Ministry amended the Act by the Migration Act 1966 which relaxed the restrictions that had blocked the entry of non-European migrants for 65 years.