Ohio Rev. Code § 1109.36: Underwriting and dealing in guaranteed and acceptable debt securities.

To the extent permitted by and subject to any limitations and restrictions the superintendent of financial institutions may impose, a state bank may underwrite and deal in investments in the form of bonds, notes, debentures, or other debt securities that are any of the following:

(A) The direct obligation of or guaranteed by the United States;

(B) The direct obligation of or guaranteed by any state of the United States or any political subdivision of any state of the United States;

(C) Acceptable to the superintendent.