Del. Code Ann. tit. 4, § 313
The operation of the office of the Commissioner must be examined and audited by the Auditor of Accounts, as often as the Auditor of Accounts considers necessary.
38 Del. Laws, c. 18, § 13; Code 1935, § 6142(2); 4 Del. C. 1953, § 315; 59 Del. Laws, c. 107, § 12; 67 Del. Laws, c. 109, § 5; 72 Del. Laws, c. 486, § 7; 85 Del. Laws, c. 269, § 4