29 CFR 1911.16 - Powers of presiding officer.
The officer presiding at a hearing shall have all the powers necessary or appropriate to conduct a fair and full hearing, including the powers:
(c) To confine the presentations to the issues specified in the notice of hearing, or, where no issues are specified, to matters pertinent to the proposed rule;
(f) To take official notice of material facts not appearing in the evidence in the record, so long as parties are entitled, on timely request, to an opportunity to show the contrary; and
Title 29 published on 2013-07-01
no entries appear in the Federal Register after this date.