Mont. Code Ann. § 15-31-501 — Department Rules -- Conformance With Internal Revenue Code

15-31-501 . Department rules -- conformance with Internal Revenue Code. (1) The department of revenue shall prescribe forms for returns and notices and other regulations as may be necessary for the purpose of carrying into effect the provisions of this chapter.
(2) If a term is not defined in this chapter, the term has the same meaning as it does when used in a comparable context in the Internal Revenue Code.