The state and the governor are immune from suit for damages arising from the lawful discharge of an official duty associated with vetoing or approving bills or in calling sessions of the legislature.
Mont. Code Ann. § 2-9-113
Immunity from suit for certain gubernatorial actions
En. 82-4330 by Sec. 4, Ch. 189, L. 1977; R.C.M. 1947, 82-4330.
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.