Section 10.78 - Decision on review(a)Decision on review. On appeal from or review of the decision of the Administrative Law Judge, the Secretary of the Treasury, or delegate, will make the agency decision. The Secretary of the Treasury, or delegate, should make the agency decision within 180 days after receipt of the appeal.(b)Standard of review. The decision of the Administrative Law Judge will not be reversed unless the appellant establishes that the decision is clearly erroneous in light of the evidence in the record and applicable law. Issues that are exclusively matters of law will be reviewed de novo. In the event that the Secretary of the Treasury, or delegate, determines that there are unresolved issues raised by the record, the case may be remanded to the Administrative Law Judge to elicit additional testimony or evidence.(c)Copy of decision on review. The Secretary of the Treasury, or delegate, will provide copies of the agency decision to the authorized representative of the Internal Revenue Service and the respondent or the respondent's authorized representative.(d)Effective/applicability date. This section is applicable beginning August 2, 2011.T.D. 9359, 72 FR 54555 , Sept. 26, 2007, as amended by T.D. 9527, 76 FR 32310 , June 3, 2011