A person who has attained the age of legal majority may be adopted without the consent of the person's parents.
Mont. Code Ann. § 42-4-401
Adoption of adult
Known as the Montana Adoption Act
The act spans §§ 42–42 (192 sections).
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.