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While we strive to be as accurate and complete as possible, our researchers are not attorneys, and state laws are often full of nuances and gaps. Legal challenges in some states have resulted in different registration requirements based on the year of conviction or first registration. Users must accept all risks associated with actions taken based on this information. Please help us improve by reporting any errors or omissions via our form at

Montana Laws Regarding Registration

Who must register?

What information must registrants provide?

How frequently must they register? And for how long?

Does the state categorize registrants by levels/tiers?

Yes Level 1 , 2 and 3
Level 1 MCA 44-5-103(13)
Level 2 MCA 44-5-103(13)
Level 3 MCA 44-5-103(13)

City County of Butte Law Enforcement

Does the state use risk assessment when assigning tiers or levels to registrants?

Response needed.

Do any registrants remain privately registered? If so, who?

Is there a registration fee?

Are there special restrictions for registrants even after supervision?

Is there a process for removal from the registry? If so, who qualifies and what is the process?

What is the registration requirement for someone with a sexual offense who is visiting the state?

shall register within 3 business days of entering a county of this state for the purpose of residing or setting up a temporary residence for 10 days or more or for an aggregate period exceeding 30 days in a calendar year. MCA 46-23-504(1) ©

What is the registration requirement for someone with a sexual offense who will be moving to the state to live or to attend school?

Within 3 days if will be there 10 consecutive or 30 aggregate days. MCA 46-23-504(1) ©

State Laws Regarding Sexual Offenses and Offenders, other than registration

What sexual offenses can people be convicted of, and what are the ranges of sentences?

Does the state have lifetime supervision?

This references it: MCA 46-23-1020(3) Other than that, no indication that Montana has this. I think that by lifetime supervision what is meant is registration.

Does the state have indeterminate sentencing?


What are the state civil commitment laws?


Are there “Romeo and Juliet” laws or other laws specific to young people?

Info for State Advocates

Are felons allowed to vote? If so, when is this right restored?

What does the state say about persons who are required to register?

How does the state’s legislative process work?

How can I locate legislation regarding sexual offense issues?

Bill Look up


Best keywords are:

sexual; sex offender registry; sex offender

How to sign up for notifications of bill movement:

Montana Legislature Preference Account Creation to follow and track bills

Montana Legislator Bill Tracker

Most important legislative committees for our issues are:

All Montana committees

Contact info for state legislators can be found at:

Other Useful State Information

Contact information for state registry office

P.O. Box 201417
Helena, MT 59620-1417
Sexual Offender Information Phone: (406) 444-7068
Violent Offender Information Phone: (406) 444-9877
Fax: (406) 444-2759

NARSOL state affiliate website or blog:

None yet.

Other helpful state advocacy groups:

Response needed.

Other registrant-friendly state support groups:

Response needed.

Other helpful information

montana.txt · Last modified: 2022/07/13 11:21 by rkdbus