The authority of the parent ceases:
(1) upon the appointment, by a court, of a guardian of the person of a child;
(2) upon the marriage of a child; or
(3) upon its attaining majority.
Mont. Code Ann. § 40-6-234
When parental authority ceases
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.