The operation of the inspection bureau, the industry placement facility and any joint underwriting association shall at all times be subject to the supervision and regulation of the Commissioner. The Commissioner, or any person designated by the Commissioner, shall have the power of visitation of and examination into such operations and free access to all books, records, files, papers and documents that relate to such operations, may summon and qualify witnesses under oath, and may examine directors, officers, agents or employees or any other person having knowledge of such operations.

18 Del. C. 1953, § ?4111; 56 Del. Laws, c. 468, § ?2; 70 Del. Laws, c. 186, § ?1;