Trading Commission shall jointly prescribe rules under which a crypto asset intermediary that is a member or affiliate of a customer protection and market integrity authority registered under this section may perform activities with financial assets other than crypto assets, if those activities are not a majority of the business of an intermediary and are conducted in a responsible manner, without membership in another entity delegated regulatory and disciplinary authority by a governmental agency. (B) Rules by customer protection and market integrity authority A customer protection and market integrity authority under this section shall adopt rules governing activities with financial assets other than crypto assets, which shall be consistent with existing law, rule, guidance or industry best practices or the rules of other entities delegated regulatory and disciplinary authority by a governmental agency. . (b) Technical and conforming amendment The table of sections for chapter 98 of title 31, United States Code, as amended by section 208, is amended by adding at the end the following: 9809. Customer protection and market integrity authorities. . 602. Registration, rulemaking, and supervision of customer protection and market integrity authorities (a) In general Chapter 98 of title 31, United States Code, as amended by section 601, is amended by adding at the end the following: 9810. Registration, rulemaking, and supervision of customer protection and market integrity authorities (a) Registration procedures