Whenever an investigation, inquiry, payroll audit or other examination is necessary in deciding a case, the chief administrative law judge, a principal administrative law judge, a senior administrative law judge or the administrative law judge, upon notice to all parties, may request the investigation, inquiry, payroll audit or other examination to be made. A hearing may be postponed until receipt of the report of such investigation, inquiry, audit or examination. The provisions of section 461.4(h) of this Part shall apply to such report.