No oral communication with the Unit may be relied upon as proving the availability of any exemption or any exclusion from a definition. Such confirmation may only be obtained by a written opinion from the Unit. A written opinion may be obtained by submitting the fee set forth in Rule 102 along with a full description of the subject matter, copies of any relevant documents and the identity of the section or sections of the Act or the Rules on which the exemption or exclusion is based.
6 Del. Admin. Code § 200-E-511
18 DE Reg. 394 (11/1/2014) (Final)