; and (D) each worker entering into the agreement affirmatively consented to the agreement in writing; (3) no agreement shall be valid or enforceable, whereby prior to a work dispute to which the agreement applies, a worker undertakes or promises not to pursue, bring, join, litigate, or support any kind of joint, class, or collective claim arising from or relating to a work dispute in any forum that, but for such agreement, is of competent jurisdiction; (4) no agreement shall be valid or enforceable, whereby after a work dispute to which the agreement applies arises, a worker undertakes or promises not to pursue, bring, join, litigate, or support any kind of joint, class, or collective claim arising from or relating to a work dispute in any forum that, but for such agreement, is of competent jurisdiction, unless the agreement meets the requirements of paragraph (2) of this subsection