; and (B) procedures to be used by the Board to establish the validity of signed authorizations designating bargaining representatives. . (b) Conforming amendments (1) National Labor Relations Board Section 3(b) of the National Labor Relations Act ( 29 U.S.C. 153(b) ) is amended, in the second sentence— (A) by striking and to and inserting to ; and (B) by striking and certify the results thereof, and inserting , and to issue certifications as provided for in that section, . (2) Unfair labor practices Section 8(b) of the National Labor Relations Act ( 29 U.S.C. 158(b) ) is amended— (A) in paragraph (7)(B) by striking , or and inserting or a petition has been filed under section 9(c)(6), or