; (ii) enforce compliance with subsection (a); (iii) obtain civil penalties; and (iv) obtain damages, restitution, or other compensation on behalf of residents of the State. (B) Notice Before filing an action under subparagraph (A), the attorney general, official, or agency of the State involved shall provide to the Commission a written notice of such action and a copy of the complaint for such action. If the attorney general, official, or agency determines that it is not feasible to provide the notice described in this subsection before the filing of the action, the attorney general, official, or agency shall provide written notice of the action and a copy of the complaint to the Commission immediately upon the filing of the action. (C) Authority of Commission On receiving notice under subparagraph (B) of an action under this section, the Commission shall have the right— (i) to intervene in the action; (ii) upon so intervening, to be heard on all matters arising therein; and (iii) to file petitions for appeal. (D) Limitation on State action while Federal action is pending If the Commission has instituted a civil action for violation of this section, no State attorney general, or official or agency of a State, may bring an action under this paragraph during the pendency of that action against any defendant named in the complaint of the Commission for any violation of this section alleged in the complaint. (d) Definitions For purposes of this section, the following definitions apply: (1) Consumer good The term consumer good means a good offered in commerce, including— (A) food, water, ice, flashlights, radios, batteries, candles, blankets, soaps, diapers, toiletries, gasoline, generators, temporary shelters, plywood, nails, hammers; (B) prescription and nonprescription medications, bandages, gauze, isopropyl alcohol, any personal protective equipment for protection from or prevention of a contagious disease, antibacterial materials