; and (C) the gross income of the employer. . (3) Conforming amendments Section 10(b) of the National Labor Relations Act ( 29 U.S.C. 160(b) ) is amended— (A) by striking six months and inserting 180 days ; and (B) by striking the six-month period and inserting the 180-day period . (j) Limitations Section 13 of the National Labor Relations Act ( 29 U.S.C. 163 ) is amended by striking the period at the end and inserting the following: : Provided, That the duration, scope, frequency, or intermittence of any strike or strikes shall not render such strike or strikes unprotected or prohibited. . (k) Fair share agreements permitted Section 14(b) of the National Labor Relations Act ( 29 U.S.C. 164(b) ) is amended by striking the period at the end and inserting the following: : Provided, That collective bargaining agreements providing that all employees in a bargaining unit shall contribute fees to a labor organization for the cost of bargaining and representation as a condition of employment shall be valid and enforceable notwithstanding any State or Territorial law. . 102. Amendments to the Labor Management Relations Act, 1947 Section 303 of the Labor Management Relations Act, 1947 ( 29 U.S.C. 187 ) is repealed. 103. Amendments to the Labor-Management Reporting and Disclosure Act of 1959 Section 203(c) of the Labor-Management Reporting and Disclosure Act of 1959 ( 29 U.S.C. 433(c) ) is amended by striking the period at the end and inserting the following : Provided, That this subsection shall not exempt from the requirements of this section any arrangement or part of an arrangement in which a party agrees, for an object described in section (b)(1), to plan or conduct employee meetings; train supervisors or employer representatives to conduct meetings; coordinate or direct activities of supervisors or employer representatives; establish or facilitate employee committees; identify employees for disciplinary action, reward, or other targeting