Maryland Criminal Procedure Section 11-707
§ 11-707.
  (a)   (1)   (i)   A child sexual offender shall register annually in person, on or before January 1, with a local law enforcement unit for the term provided under paragraph (4) of this subsection.
      (ii)   Each registration shall include a new photograph.
    (2)   An offender and a sexually violent offender shall register annually, on or before January 1, with the Department in accordance with § 11-711(a) of this subtitle and for the term provided under paragraph (4) of this subsection.
    (3)   (i)   A sexually violent predator shall register in person every 90 days, on or before January 1, April 1, July 1, and October 1, in accordance with § 11-711(b) of this subtitle and for the term provided under paragraph (4)(ii) of this subsection.
      (ii)   Registration shall include a photograph that shall be updated at least once each year.
    (4)   The term of registration is:
      (i)   10 years; or
      (ii)   life, if:
        1.   the registrant is a sexually violent predator;
        2.   the registrant has been convicted of a sexually violent offense;
        3.   the registrant has been convicted of a violation of § 3-602 of the Criminal Law Article for commission of a sexual act involving penetration of a child under the age of 12 years; or
        4.   the registrant has been convicted of a prior crime as a child sexual offender, an offender, or a sexually violent offender.
    (5)   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.
  (b)   A term of registration described in this section shall be computed from:
    (1)   the last date of release;
    (2)   the date granted probation; or
    (3)   the date granted a suspended sentence.