Wis. Stat. § 221.0308
A bank may, by action of its board of directors, enter into such contracts, incur such obligations and perform such acts as may be necessary or appropriate in order to take advantage of any and all memberships, loans, subscriptions, contracts, grants, rights or privileges that may at any time be available or inure to banking institutions or to their depositors, creditors, shareholders, conservators, receivers or liquidators, by virtue of any federal law establishing the Federal Deposit Insurance Corporation; providing for the insurance of deposits; or regulating or safeguarding banking institutions and their depositors. A bank may also subscribe for and acquire any stock, debenture, bond or other type of security of the Federal Deposit Insurance Corporation. A bank that becomes a member of the Federal Deposit Insurance Corporation shall comply with the lawful regulations and requirements issued by the Federal Deposit Insurance Corporation. The bank and its directors, officers and shareholders shall continue to be subject to all liabilities and duties imposed upon them by any laws of this state.
Wis. Stat. § 221.0308