Wis. Stat. § 220.01: Definitions.

As used in chs. 220 to 224:

(1) Unless the context requires otherwise, the term “bank” means any banking institution incorporated under the laws of this state.

(1e) “Department” means the department of financial institutions.

(1m) “Division” means the division of banking.

(2) The term “lawful money” means all forms of money issued by or under the authority of the United States as a circulating medium, and includes any form of certificate declared to be lawful money by any law of the United States.