Temporary absences may be granted for medical, administrative, community service, family contact, parental responsibility, personal development (rehabilitation), or compassionate reasons, according to Correctional Services Canada.

Daniel, nine, Harrison, five, and Milly, two, along with their grandfather Gary Neville, 65, were killed in the Vaughan, Ont. crash exactly two years ago.

The organization said it had decided to name the west wing of the facility the "De Gasperis-Muzzo Tower" to recognize the family's "exceptional contributions."