42 CFR 423.2030 - ALJ hearing procedures.
(b) At the hearing. The ALJ fully examines the issues, questions the enrollee and other witnesses, and may accept documents that are material to the issues consistent with § 423.2018.
(d) Reopen the hearing. The ALJ may reopen the hearing at any time before he or she mails a notice of the decision in order to receive new and material evidence pursuant to § 423.1986. The ALJ may decide when the evidence is presented and when the issues are discussed.