(8) "Region" means the territorial area within the boundaries of operation for any regional development center, as such boundaries shall be established from time to time by the board of the department.

"Region" means the territorial area within the boundaries of operation for any regional development center, as such boundaries shall be established from time to time by the board in accordance with the provisions of subsection (f) of Code Section 508450-8-4 [...]

(21) "Region" means the territorial area within the boundaries of operation for any regional development center, as such boundaries shall be established from time to time by the board of the department.