The show follows the work of officers of Australian Customs and Border Protection, the Australian Quarantine and Inspection Service, and the Department of Immigration and Citizenship as they enforce Australian customs, quarantine, immigration and finance laws.
The Greta Army Camp, located on the town's outskirts, was opened in 1939 as a training ground for World War II soldier training, and in 1949 was transferred to the Department of Immigration who transformed it into one of Australia's largest migrant reception and training centres between June 1949 and January 1960 as part of the post-war immigration to Australia.
Byrne is in favour of legislation for a Migration Act similar to the 1958 immigration law in Australia which is administered by the Department of Immigration and Citizenship (DIAC).
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