; or (B) the sum of the price of each product or service sold using the pricing algorithm in violation of subsection (a); and (2) other appropriate relief, including an injunction or other equitable relief. (c) Effective Date Subsection (a) shall take effect on the date that is 90 days after the date of enactment of this Act. 5. Algorithmic price fixing (a) Presumption of agreement With respect to the use of a pricing algorithm that would violate section 4 of this Act, there shall be a presumption for purposes of section 1 of the Sherman Act ( 15 U.S.C. 1 ) that the defendant entered into an agreement, contract, combination, or conspiracy in restraint of trade and for purposes of section 5(a) of the Federal Trade Commission Act ( 15 U.S.C. 45(a) ) that the defendant has engaged in an unfair method of competition if the plaintiff establishes that— (1) the defendant distributed the pricing algorithm to 2 or more persons— (A) with the intent that the pricing algorithm be used to set or recommend a price or commercial term of a product or service in the same market or a related market; or (B) and 2 or more persons used the pricing algorithm to set or recommend a price or commercial term of a product or service in the same market or a related market; or (2) (A) the defendant used the pricing algorithm to set or recommend a price or commercial term of a product or service