; bargaining orders in other situations (A) Dismissal If the Board finds that, in an election under paragraph (1), a majority of the valid votes cast in a unit appropriate for purposes of collective bargaining have not been cast in favor of representation by the labor organization, the Board shall dismiss the petition, subject to subparagraphs (B) and (C). (B) Special rules for employer violations or interference In any case where a majority of the valid votes cast in a unit appropriate for purposes of collective bargaining have not been cast in favor or representation by the labor organization and the Board determines that the election should be set aside because the employer has committed a violation of this Act or otherwise interfered with a fair election, and the employer has not demonstrated that the violation or other interference is unlikely to have affected the outcome of the election, the Board shall, without ordering a new or rerun election, issue an order requiring the employer to bargain with the labor organization in accordance with section 8(d) if, at any time during the period beginning 1 year preceding the date of the commencement of the election and ending on the date upon which the Board makes the determination of a violation or other interference under subparagraph (A), a majority of the employees in the bargaining unit have signed authorizations designating the labor organization as their collective bargaining representative. (C) Other election interference In any case where the Board determines that an election under this paragraph should be set aside, the Board shall direct a rerun election with appropriate additional safeguards necessary to ensure a fair election process, except in cases where the Board issues a bargaining order under subparagraph (B). . 5. Modernization (a) Prevention of unfair labor practices Section 8 of the National Labor Relations Act ( 29 U.S.C. 158 ) is amended by adding at the end the following: (h) Postings of notice (1) In general The Board shall promulgate