(a) Within 90 days after receipt of the transcript of the hearing,
the administrative law judge shall issue a decision.
(b) The decision of the administrative law judge shall include a
statement of findings and conclusions, with reasons and basis
therefore, upon each material issue presented on the record. The
decision shall also include an appropriate order which may affirm,
deny, reverse, or modify, in whole or in part, the determination of the
Administrator; the reason or reasons for such order shall be stated in
the decision. The administrative law judge shall not render
determinations as to the legality of a regulatory provision or the
constitutionality of a statutory provision.
(c) The decision shall be served on all parties in person or by
certified or regular mail.