253 Neb. Admin. Code, ch. 11, § 007
Any person may informally complain with respect to any matter within the jurisdiction of the Board by letter or other writing addressed to the Board, setting forth his or her name and address and that of any person or persons complained of and concise statement of the allegations with respect to which the complaint is made. An informal complaint is without prejudice to the right to file a formal complaint with reference to same subject matter. Upon the receipt of an informal complaint, the Executive Director is authorized to cause a preliminary investigation by the Staff acting under the Executive Director's direction and to endeavor, by correspondence or conference, to adjust the complaint to the mutual satisfaction of the parties.
253 Neb. Admin. Code, ch. 11, § 007