The deposits required to be made under G.S. 58-5-5, 58-5-10, and 58-5-50 shall be composed of:
(a) Interest-bearing bonds of the United States of America;
(b) Interest-bearing bonds of the State of North Carolina, or of its cities or counties; or
(c) Certificates of deposit issued by any solvent bank domesticated in the State of North Carolina. (1945, c. 384; 1989, c. 485, s. 34; 1991, c. 681, s. 18.)