As used in this chapter, unless the context otherwise indicates, the following terms have the following meanings.
1. Mutual financial institution. "Mutual financial institution" means any institution as defined in section 131, subsection 27.
2. Mutual holding company. "Mutual holding company" means any corporation organized pursuant to this chapter.
3. Subsidiary universal bank. "Subsidiary universal bank" means any universal bank organized under the laws of this State, at least 51% of the voting stock of which is wholly owned by a mutual holding company.