Section 285-3-027 - INTERROGATORIES027.01 Written interrogatories may be served by any party to any proceeding before the Board upon any adverse party, with due regard to the time limits as hereinafter set forth, at any time prior to the hearing. No order of the Board shall be required in such matters. All interrogatives shall be signed separately and fully in writing under oath, and the answer shall be signed by the person making them. In the event that an objection for good cause is offered to any question propounded, the answer shall be deferred until the objection is determined. In propounding written interrogatories, the parties will follow the rules as hereinafter set forth, to wit: 027.01a The original copy of said interrogatories will be filed with the Board, together with an affidavit showing service by certified mail or delivery in person to the party or attorney of record to whom said interrogatories have been propounded. Said affidavit shall show the date of service proceedings, the Board shall not be bound by any strict rules of procedure except that any party called to appear shall have the right to be heard on any point raised in the investigation.285 Neb. Admin. Code, ch. 3, § 027