; (ii) the authority, and interested members of the public, may provide written comments to the commissions during the 20-day period beginning on the date on which the objection is noted; and (iii) the Securities and Exchange Commission and the Commodity Futures Trading Commission, voting separately, shall jointly issue an order approving or disapproving the proposed rule, with the failure to issue such a joint order being deemed to be approval of the proposed rule. (4) Exception (A) In general Notwithstanding paragraphs (2) and (3), a proposed rule change shall take effect upon filing if self-certified by an authority as— (i) constituting a stated policy, practice, or interpretation with respect to the meaning, administration, or enforcement of an existing rule of the authority; (ii) establishing or changing a due, fee, or other charge imposed by the authority on any person, whether or not the person is a member of the authority