(B) Exception (i) In general Subject to clause (ii), a proposed rule has not been received by the applicable commission for purposes of subparagraph (A), if, not later than 7 business days after the date on which the commission receives the rule, the commission notifies the authority that the proposed rule change does not comply with the rules of the commission relating to the required form of a proposed rule change. (ii) Lengthy and complex proposed rule changes (I) In general If the applicable commission determines that a proposed rule change is unusually lengthy, and is complex or raises novel regulatory issues, the commission shall inform the authority of that determination not later than 7 business days after the date on which the commission receives the rule. (II) Deadline For the purposes of subparagraph (A), a proposed rule change described in subclause (I) has not been received by the applicable commission, if, not later than 21 days after the date on which the commission receives the rule, the commission notifies the applicable authority that the proposed rule change does not comply with the rules of the commission relating to the required form of a proposed rule change. (C) Applicability This paragraph shall not apply to a rule relating to the internal operations, governance, and procedure of an authority. (c) Amendment of rules of authorities (1) In general The appropriate commission may, by rule, abrogate, add to, and delete from the rules of an authority as the commission determines necessary or appropriate to ensure the fair administration of the authority or to conform the rules of the authority to law or applicable rule, in the following manner: (A) The appropriate commission shall notify the authority and publish notice of the proposed rulemaking in the Federal Register, which shall include the text of the proposed amendment to the rules of the authority and a statement of the reasons of the commission, including any pertinent facts, for commencing the proposed rulemaking. (B) (i) The