The county commission of any county having bonds outstanding may, without an election, issue bonds of the county for the purpose of refunding such bonds to an amount not exceeding the principal amount of the bonds to be so refunded and may also, without an election, issue bonds of the county from time to time for the purpose of refunding installments of not less than $1,000.00 becoming due on outstanding serial bonds heretofore or hereafter issued.
(Acts 1927, No. 478, p. 534; Acts 1931, No. 363, p. 428; Acts 1939, No. 167, p. 290; Code 1940, T. 12, §104.)