(1) "Board" means the state board of parole.
(2) "Conviction" means conviction after trial by court or jury or acceptance of a plea of guilty.
(3) "Department" means the department of corrections.
(4) "Sex offender" means a person convicted of a sex offense.
(5) "Sex offense" means sexual assault, except misdemeanor sexual assault in the third degree, as set forth in section 18-3-404 (2), as it existed prior to July 1, 2000; sexual assault on a child, as defined in section 18-3-405; aggravated incest, as defined in section 18-6-302; and an attempt to commit any of the offenses mentioned in this subsection (5).