Del. Code tit. 9, § 6906

In performing its zoning function the Commission may make use of the expert advice and information which may be furnished by appropriate state, federal, or other officials, departments and agencies. All officials, departments, and agencies within the State having information, maps and data pertinent to county zoning shall make the same available for the use of the Commission, as well as furnish such other technical assistance and advice as they may have available for such purpose.