; and (iii) after the end of the 30-day comment required under clause (ii), publish either— (I) a notification of withdrawal of the applicable certification; or (II) a notice that the Commission is not withdrawing the certification. (C) Detailed analysis required The Commission shall include, with each publication of a notification of withdrawal described under subparagraph (B)(iii)(I), a detailed analysis of the factors on which the decision was based. (2) Recertification With respect to a blockchain system for which a certification has been withdrawn under this subsection, no person may make a certification under section 44(a) of the Securities Exchange Act of 1934 with respect to such blockchain system during the 90-day period beginning on the date of such withdrawal. (3) Appeal of withdrawal (A) In general If a certification is withdrawn under this subsection, a person making may appeal the decision to the United States Court of Appeals for the District of Columbia, not later than 60 days after the notice of withdrawal is made. (B) Review In an appeal under subparagraph (A), the court shall have de novo review of the determination to withdraw the certification. . 505. Qualified digital commodity custodians The Commodity Exchange Act ( 7 U.S.C. 1 et seq. ), as amended by the preceding provisions of this Act, is amended by inserting after section 5i the following: 5j. Qualified digital commodity custodians (a) In general A digital commodity custodian is a qualified digital commodity custodian if the digital commodity custodian complies with the requirements of this section. (b) Supervision requirement A digital commodity custodian that is not subject to supervision and examination by an appropriate Federal banking agency, the National Credit Union Administration, the Commission, or the Securities and Exchange Commission shall be subject to adequate supervision and appropriate regulation by— (1) a State bank supervisor (within the meaning of section 3 of the Federal Deposit Insurance Act)