17. If a commissioner becomes unable to act or dies before a decision is made, the two remaining commissioners may, if unanimous, make the decision.
If a commissioner designated to decide an application becomes unable to act or dies before making a decision, the chairman may, if all participants agree, designate another commissioner who shall examine the record in its entirety, continue processing the case and make a decision. Failing agreement, the matter shall be referred to the chairman for examination in accordance with section 16.