For the purposes of this subchapter, the term: (1) Repealed. (2) Repealed. (3) “Costs” includes obligations incurred before September 18, 2007. (4) “DC-NET program” means a program conducted by the Office of the Chief Technology Officer to implement and manage a state-of-the-art, fiber-optic network owned by the District government. (5) Repealed. (6) Repealed.