1. Crypto-asset service providers operating a trading platform for crypto-assets shall lay down, maintain and implement clear and transparent operating rules for the trading platform. Those operating rules shall at least:
(a) set the approval processes, including customer due diligence requirements commensurate to the money laundering or terrorist financing risk presented by the applicant in accordance with Directive (EU) 2015/849, that are applied before admitting crypto-assets to the trading platform;
(b) define exclusion categories, if any, of the types of crypto-assets that are not admitted to trading;
(c) set out the policies, procedures and the level of fees, if any, for the admission to trading;
(d) set objective, non-discriminatory rules and proportionate criteria for participation in the trading activities, which promote fair and open access to the trading platform for clients willing to trade;
(e) set non-discretionary rules and procedures to ensure fair and orderly trading a
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