(a) Subject to the restrictions of subsection (b) of this Code section and of Code Section 7-1-371 in regard to reserve funds, a bank may deposit its funds in any depository which is:

(1) Selected by, or in any manner authorized by, its directors;

(2) Authorized by law to receive deposits; and

(3) In the case of a depository located in the United States, one which has deposit insurance issued by or equivalent to deposit insurance provided by a federal public body to depositories of the type involved.

(b) If a director of the bank has a relationship to a depository as either:

(1) An officer or director; or

(2) An owner of 5 percent or more of the shares of the depository,

the depository shall be approved by a majority of the directors other than the director who has such relationship.