(1) The office shall commence a full adjudicative proceeding within ninety days after the determination that the use of more formal hearing procedures is required.

(2) A full adjudicative proceeding commences when the office notifies a party that a prehearing conference, hearing, or other stage of an adjudicative proceeding will be conducted.

(3) Within thirty days after receipt of the request for an adjudicative proceeding, the office shall examine the request, notify the requestor of any obvious errors or omissions, request any additional information the office wishes to obtain and is permitted by law to require, and notify the requestor of the name, mailing address, and telephone number of the office that may be contacted regarding the request.