; or (B) maintaining any difference in prices, rates, charges, services, facilities, access, terms of service, licenses, contractual terms, or any other aspect among similarly situated customers, suppliers, users, or trading partners. (b) Prohibition It shall be unlawful for any operator of a dominant platform to abuse, or attempt to abuse, its dominance or otherwise engage in conduct that harms competition or creates or helps maintain an unfair method of competition, a monopoly, or a monopsony, regardless of any alleged procompetitive benefits or efficiencies. (c) Presumptive violations The following practices by an operator of a dominant platform shall constitute presumptive violations of subsection (b): (1) Undue discrimination. (2) Tying arrangements. (3) Self-preferencing. (4) Predispute arbitration agreements or predispute class-action waivers with users, customers, trading partners, or employees. (5) Noncompete agreements, except in the case of a legitimate acquisition or sale of a business or assets. (6) No-poach agreements. (d) Rebuttal A defendant may rebut a violation of subsection (b), including the presumptive violations described in subsection (c), with clear and convincing evidence that the alleged practice did not result in any harm to the relevant aggrieved party. (e) Rulemaking The Commission may promulgate rules to— (1) further define the presumptive violations listed in subsection (c); or (2) identify and define additional practices that constitute presumptive violations of subsection (b). 2312. Platform conflicts of interest (a) Prohibition It shall be unlawful for any operator of a dominant platform to maintain, or engage in any action that creates, a platform conflict of interest. (b) Remedy The Commission or a court, as applicable, may issue an order requiring an operator of a dominant platform to eliminate any platform conflict of interest by implementing— (1) divestitures, which, to the extent practicable, shall be specified, standalone business units or lines