When Matt got an Irish passport, he lost his Australian citizenship. But he didn't find out until 20 years later 

Media coverage

• Title	When Matt got an Irish passport, he lost his Australian citizenship. But he didn't find out until 20 years later
  Media name/outlet	ABC Premium News (Australia)
  Country/Territory	Australia
  Date	9/02/23
  Persons	Kim RUBENSTEIN

• Title	'This is some sort of mistake': How an old law saw Matt stripped of his citizenship
  Media name/outlet	ABC Online
  Country/Territory	Australia
  Date	9/02/23
  Persons	Kim RUBENSTEIN