As used in this chapter, “juvenile sex offender” means a person who was between fourteen (14) years of age to eighteen (18) years of age at the time the qualifying sex offense was committed and who:
(1) On or after July 1, 1998, was adjudicated delinquent under the juvenile corrections act for an action that would be an offense enumerated in section 18-8304, Idaho Code, if committed by an adult; or
(2) As of July 1, 1998, is serving formal probation, a period of detention, or commitment to the department of juvenile corrections as the result of sentencing imposed under section 20-520, Idaho Code, for an action that would be an offense enumerated in section 18-8304, Idaho Code, if committed by an adult; or
(3) Was adjudicated delinquent in another state for an action that is substantially equivalent to the offenses enumerated in section 18-8304, Idaho Code, and is subject on or after July 1, 1998, to Idaho court jurisdiction under the interstate compact on juveniles [interstate compact for juveniles]; or
(4) Is required to register in another state for having committed a sex offense in that state regardless of the date of the offense or its adjudication.