(1) This section applies when a local authority purports to give authority under section 39B to a person or group of persons, but does not in fact give it because the person, chairperson of the group, or members of the group are not accredited as required by the section.
(2) No decision made by the person or group of persons is invalid solely because the person, chairperson of the group, or members of the group were not accredited as required by section 39B.