; and (B) by inserting after subsection (d) the following new subsection: (e) Correction of duty To assist errors (1) If, during review of the agency of original jurisdiction decision under section 5104B of this title, the higher-level reviewer identifies an error on the part of the agency of original jurisdiction to satisfy its duties under this section, and that error occurred prior to the agency of original jurisdiction decision being reviewed, unless the claim can be granted in full, the higher-level reviewer shall return the claim for correction of such error and readjudication. (2) (A) If the Board, during review on appeal of a decision of the agency of original jurisdiction, identifies an error on the part of the agency of original jurisdiction to satisfy its duties under section 5103A of this title, and that error occurred prior to the decision of the agency of original jurisdiction on appeal, unless the claim can be granted in full, the Board shall remand the claim to the agency of original jurisdiction for correction of such error and readjudication. (B) Remand for correction of an error under subparagraph (A) may include directing the agency of original jurisdiction to obtain an advisory medical opinion under section 5109 of this title. . (e) Decisions and notices of decisions Subsection (b) of section 5104 is amended to read as follows: (b) In any case where the Secretary denies a benefit sought, the notice required by subsection (a) shall also include all of the following: (1) Identification of the issues adjudicated. (2) A summary of the evidence considered by the Secretary. (3) A summary of the applicable laws and regulations. (4) Identification of findings favorable to the claimant. (5) Identification of elements not satisfied leading to the denial. (6) An explanation of how to obtain or access evidence used in making the decision. (7) If applicable, identification of the criteria that must be satisfied to grant service connection or the next higher level of compensation. . (f) Binding nature of