1-A. When duty to register must be exercised. Following determination by the court under subsection 1, a sex offender or a sexually violent predator registrant shall register as follows.

A. If the sex offender or sexually violent predator registrant is sentenced to a wholly suspended sentence with probation or to a punishment alternative not involving imprisonment, the duty to register is triggered at the time the person commences an actual execution of the wholly suspended sentence or at the time of sentence imposition when no punishment alternative involving imprisonment is imposed, unless the court orders a stay of execution, in which event the duty is triggered by the termination of the stay.

B. If the sex offender or sexually violent predator registrant is sentenced to a straight term of imprisonment or to a split sentence, the duty to register is triggered by discharge or conditional release.

C. If the sex offender or sexually violent predator registrant is committed under Title 15, section 103, the duty to register is triggered by discharge or conditional release under Title 15, section 104-A.

1-B.__Duty to notify law enforcement agency.__A registrant who has a duty to register pursuant to this subchapter shall notify the law enforcement agency having jurisdiction in those areas where the registrant resides, works or attends school within 24 hours of becoming a resident or beginning work or attending school.__If the location is a municipality with an organized municipal police department, the law enforcement agency having jurisdiction is the municipal police department.__If the location is a school having an organized police department, the law enforcement agency having jurisdiction is the campus police department.__If the location is neither a municipality nor a school with an organized police department, the law enforcement agency having jurisdiction is the sheriff's department.

2. Responsibility of ensuring initial registration. The department, the county jail or the state mental health institute that has custody of a sex offender or sexually violent predator registrant required to register under this subchapter shall