; and (B) procedures to be used by the Board to establish the validity of signed authorizations designating bargaining representatives. . (d) Preempting State right-to-Work for less laws Subsection (b) of section 14 of the National Labor Relations Act ( 29 U.S.C. 164 ) is repealed. (e) Joint and several liability The National Labor Relations Act ( 29 U.S.C. 151 et seq.) is amended by adding at the end the following: 20. Joint and several liability (a) In general A joint employer shall be jointly and severally liable under this Act for any violations of this Act involving one or more employees supplied by another employer to perform labor within the joint employer’s usual course of business. (b) Joint employer An employer shall be considered a joint employer of employees of another employer for purposes of this Act, if such employer possesses, reserves, or exercises enough direct or indirect control over such employees’ essential terms and conditions of employment to permit meaningful collective bargaining between the employer and such employees. . 3. Amendment to the Labor Management Relations Act, 1947, with respect to secondary boycotts Section 303 of the Labor Management Relations Act, 1947 ( 29 U.S.C. 187 ) is repealed. 4. Amendments to the Labor-Management Reporting and Disclosure Act of 1959 (a) Persuader reporting and disclosure parity requirements Section 203 of the Labor-Management Reporting and Disclosure Act of 1959 ( 29 U.S.C. 433 ) is amended— (1) in subsection (c), 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 to draft speeches, presentations, or other written, recorded, or electronic communications to be delivered or disseminated to employees for an object described in subsection (b)(1).