I thank Senator Griff for the question and for the courtesy of prior notice and, obviously, for bringing this individual's issue to the government's attention. I have been advised by the minister's office that he received the senator's letter earlier this week. I am instructed that the Department of Immigration and Border Protection is investigating this matter. I am also advised that there were over 4,200 applications for citizenship lodged in the week to the 20 April 2017. I am further advised that the Department of Immigration and Border Protection has identified a total of 24 people, out of the 4,200, who were affected by IT issues.