Within 24 hours after acceptance by the office of the city jail, each appearance bond shall be delivered to and retained by the municipal clerk, such bonds to be a part of the records of the municipal court of record. The municipal court of record may at any time order the destruction of any of these records; provided, that no records shall be destroyed which pertain to any case not yet disposed of or which has been disposed of within less than 12 months. (Code 1941, Art. 28-7; Ord. Nos. 8215; 19802)