Mont. Code § 32-1-602
A banking institution may, on the authority of its board of directors or a majority thereof, enter into those contracts, incur those obligations, and generally perform any acts necessary or appropriate in order to take advantage of any memberships, loans, subscriptions, contracts, grants, rights, or privileges available to banking institutions or to their depositors, creditors, stockholders, conservators, or liquidators by virtue of those provisions of the Federal Deposit Insurance Act which establish the federal deposit insurance corporation and provide for the insurance of deposits or of any other act or resolution of congress to aid, regulate, or safeguard banking institutions and their depositors. A banking institution may also subscribe for and acquire stock, debentures, bonds, or other types of securities of the federal deposit insurance corporation and may comply with the lawful rules and requirements from time to time adopted by that corporation.
§ 32-1-602, MCA