A tier I sex offender and a tier II sex offender shall register in person every 6 months with a local law enforcement unit for the term provided under paragraph (4) of this subsection. Registration shall include a digital image that shall be updated every 6 months. A tier III sex offender shall register in person every 3 months with a local law enforcement unit for the term provided under paragraph (4) of this subsection. Registration shall include a digital image that shall be updated every 6 months. A sexually violent predator shall register in person every 3 months with a local law enforcement unit for the term provided under paragraph (4) of this subsection. Registration shall include a digital image that shall be updated every 6 months. Subject to subsection (c) of this section, the term of registration is: 15 years, if the registrant is a tier I sex offender; 25 years, if the registrant is a tier II sex offender; the life of the registrant, if the registrant is a tier III sex offender; or up to 5 years, if the registrant is a person described under § 11–704(c)(1) of this subtitle, subject to reduction by the juvenile court on the filing of a petition by the registrant for a reduction in the term of registration. A registrant who is not a resident of the State shall register for the appropriate time specified in this subsection or until the registrant’s employment, student enrollment, or transient status in the State ends. A term of registration described in this section shall be computed from: the last date of release; the date granted probation; the date granted a suspended sentence; or the date the juvenile court’s jurisdiction over the registrant terminates under § 3–8A–07 of the Courts Article if the registrant was a minor who lived in the State at the time the act was committed for which registration is required. The term of registration for a tier I sex offender shall be reduced to 10 years if, in the 10 years following the date on which the registrant was required to register, the registrant: is not convicted of any offense for which a term of imprisonment of more than 1 year may be imposed; is not convicted of any sex offense; successfully completes, without revocation, any period of supervised release, parole, or probation; and successfully completes an appropriate sex offender treatment program.