35-4-401. General powers. (1) A professional corporation has the powers enumerated in the Montana Business Corporation Act, except that it may be a promoter, general partner, member, associate, or manager only of a partnership, joint venture, trust, or other enterprise engaged only in rendering professional services or carrying on business permitted by the articles of incorporation of the professional corporation.

(2) A professional corporation may invest its funds in real estate, mortgages, stocks, bonds, or any other type of investment.