No such demand shall:
(1) Contain any requirement which would be held to be unreasonable if contained in a subpoena issued by a court of this State in aid of a grand jury investigation of an alleged violation of this subchapter; or
(2) Require the production of any evidence which would be privileged from disclosure if demanded by a subpoena issued by a court of this State in aid of a grand jury investigation of an alleged violation of this subchapter.
6 Del. C. 1953, § 2516; 55 Del. Laws, c. 46.