The commission shall set a time and a place for hearing all claims. Not less than 30 days before commencement of the hearings, the commission shall give notice of the hearings by certified mail to all persons who have filed claims in accordance with § 11.307 of this code, or this notice may be included in the notice of adjudication provided in § 11.306 of this code. The hearings shall be conducted as provided in § 11.337 of this code.