Any person who holds a valid license to practice as a registered professional nurse in this state shall have the right to use the title "Registered Nurse" and the abbreviation "R.N.".
Mont. Code Ann. § 37-8-408
Title and abbreviation of registered nurse
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.