; and (C) the investment of the eligible digital journalism providers that are members of the joint negotiation entity in producing original news and related content, including the number of journalists employed by each. (c) Joint withholding of content At any point after a notice is sent to the covered platform to initiate joint negotiations under subsection (a)(2), the eligible digital journalism providers that are members of the joint negotiation entity may jointly deny the covered platform access to content licensed or produced by such eligible digital journalism providers. 4. Arbitration for eligible publishers (a) Right to final offer arbitration (1) In general If the membership of a joint negotiation entity consists only of eligible publishers, on or after the date that is 180 days after the date negotiations under section 3 begin, the joint negotiation entity may initiate a final offer arbitration against the covered platform for an arbitration panel to determine the pricing, terms, and conditions by which the content displayed, provided, distributed, or offered by a qualifying publication of any eligible publisher that is a member of the joint negotiation entity will be accessed by the covered platform if the parties are unable to reach an agreement and regardless of whether the joint negotiation entity, its members, or the covered platform complied with the requirements of section 3(b). (2) Effect of additional members If an additional member joins the joint negotiation entity under section 3(a)(1)(E) more than 90 days after the date negotiations under section 3 begin, the joint negotiation entity may not initiate a final offer arbitration under paragraph (1) until 180 days after the date the last member joins the joint negotiation entity. No additional members may join the joint negotiation entity after the arbitration has commenced. (b) Notice The joint negotiation entity shall provide notice of its intention to initiate final offer arbitration under this section to all of the members of the joint