The Department may prescribe by regulation or order, as to public carriers operating charter buses, such requirements as it deems necessary for the protection of persons or property of their patrons and the public, including the filing of surety bonds, the carrying of insurance or the qualifications and conditions under which such carriers may act as self-insurers with respect to such matters.

59 Del. Laws, c. 393, § ?5; 60 Del. Laws, c. 503, § ?17; 68 Del. Laws, c. 255, § ?11; 69 Del. Laws, c. 435, § ?38; 83 Del. Laws, c. 464, § 2;