The following offenses require registration as a sex offender:
- indecent assault and battery on a child under 14;
- Indecent assault and battery on a person with intellectual disability;
- indecent assault and battery on a person age 14 or over;
- rape;
- rape of a child under 16 with force;
- rape and abuse of a child;
- assault with intent to commit rape;
- assault of a child with intent to commit rape;
- kidnapping of a child;
- enticing a child under the age of 16 for the purposes of committing a crime;
- enticing away a person for prostitution or sexual intercourse;
- drugging persons for sexual intercourse;
- inducing a minor into prostitution;
- living off or sharing earnings of a minor prostitute;
- second and subsequent conviction for open and gross lewdness and lascivious behavior, but excluding a first or single adjudication as a delinquent juvenile before August 1, 1992;
- incestuous marriage or intercourse;
- disseminating to a minor matter harmful to a minor;
- posing or exhibiting a child in a state of nudity;
- dissemination of visual material of a child in a state of nudity or sexual conduct;
- possession of child pornography;
- unnatural and lascivious acts with a child under 16;
- aggravated rape; and
- any attempt to commit a violation of any of the aforementioned sections pursuant to section 6 of said chapter 274 or a like violation of the laws of another state, the United States or a military, territorial or Indian tribal authority.
- Aggravated Indecent Assault and Battery on a Child under 14 (G.L. c.265, s.13B1/2) and a repeat offense (G.L. c.265, s.13B3/4)
- Aggravated Rape of a Child under 16 with Force (G.L. c.265, s.22B) and repeat offense (G.L. c.265, s.22C)
- Aggravated Rape and Abuse of a Child (G.L. c.265, s.23A) and repeat offense (G.L. c.265, s.23B)
- Enticing a child under 18 via electronic communication to engage in prostitution, human trafficking, or commercial sexual activity (G.L. c.265, s. 26)
- Trafficking of persons for sexual servitude (G.L. c.265, s. 50)
- Trafficking of persons for sexual servitude upon a person under 18 years of age (G.L. c.265, s. 50(b))
- Second or subsequent violation of human trafficking for sexual servitude (G.L. c.265, s. 52)
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Engaging in sexual contact with an animal, (G.L. c. 265, s. 77C)