12 C.F.R. § 333.1
State nonmember insured banks are divided into five categories for the purpose of classifying their general character or type of business, 2 viz: commercial banks, banks and trust companies, savings banks (including mutual and stock), industrial banks, and cash depositories.
2 A bank's business may include two or more of the general classifications.
[15 FR 8644, Dec. 6, 1950]