; and (B) such other issues as the Board considers relevant to the definition. (b) Approval of recommendations (1) In general Subject to paragraph (2), not later than 45 days after the date the Board submits the recommendations under subsection (a)(1), the Office shall approve the recommendations, with any revisions it considers necessary, and transmit the recommendations to the Assistant Secretary and the Administrator of the National Highway Traffic Safety Administration. (2) Public comment (A) In general The Office shall provide the public with notice and an opportunity to comment on the recommendations developed by the Board under this section prior to their approval. (B) Further Board consideration After such public comment period has closed, the Office may refer questions raised by those comments to the Board for further consideration, including amendment of the recommendations submitted by the Board. (c) Revision of definition The Assistant Secretary and the Administrator of the National Highway Traffic Safety Administration shall revise the definition of the term Next Generation 9–1–1 services in section 158 of the National Telecommunications and Information Administration Organization Act ( 47 U.S.C. 942 ), based on the approved recommendations under subsection (b) of this section, as part of the rulemaking under section 9(e) of this Act. (d) Conforming amendment (1) In general Section 158(e)(5) of the National Telecommunications and Information Administration Organization Act ( 47 U.S.C. 942(e)(5) ) is amended to read as follows: (5) Next Generation 9–1–1 services The term Next Generation 9–1–1 services has the meaning given the term by the Assistant Secretary and the Administrator of the National Highway Traffic Safety Administration in the final rule published under section 8(c) of the Next Generation 9–1–1 Act of 2017 . . (2) Effective date The amendment under paragraph (1) of this subsection shall take effect on the date that a final rule is published under subsection (c). 9. Next Generation 9–1–1