Login 'Ultimate responsibility' for Chinese 99-year lease of Port of Darwin rests with Scott Morrison04/05/2021|10min Labor MP Luke Gosling says the 99-year leasing of the Port of Darwin to Chinese investors in 2015, was a result of "a combination of errors", but ultimate responsibility rests with the then-Treasurer, Prime Minister Scott Morrison. "It was a decision taken by the Country-Liberal Party NT government at the time in 2015. I was very critical of the decision at the time," he said. "People don't quite understand the role of the Foreign Investment Review Board [FIRB], which is to provide advice to the government.