6 Del. Admin. Code § 200-B-220
If the Unit believes that any person is violating or has violated any provision of the Act or any rule, order, or condition lawfully imposed thereunder, it may issue a complaint as set forth in Rule 221. The complaint shall be served on each party as provided in Rule 210 and filed at the time of service with the Director pursuant to Rule 211. The service and filing of the complaint constitutes the commencement of the administrative proceeding. As set forth in Rule 225A, upon the filing of a complaint, the Director shall give notice to the Attorney General (or his or her designee) that the complaint has been filed and request that the Attorney General (or his or her designee) appoint a Presiding Officer to hear the matter, unless the Director decides to act as the Presiding Officer in the proceeding or the Unit's complaint has requested that the Director act as the Presiding Officer in the proceeding.
6 Del. Admin. Code § 200-B-220
15 DE Reg. 529 (10/01/11)
18 DE Reg. 394 (11/1/2014) (Final)