; or (II) the United States District Court for the District of Columbia. (B) Authority A district court described in subparagraph (A) shall have jurisdiction— (i) with respect to an action described in paragraph (1)(A), to enforce the standard, regulation, condition, requirement, prohibition, schedule, deadline, or order described in that paragraph; (ii) with respect to an action described in paragraph (1)(B), to order a person described in that paragraph— (I) to refrain from the use of the perfluoroalkyl or polyfluoroalkyl substance that may be contributing to the imminent and substantial endangerment; (II) to take any action as may be necessary to prevent the imminent and substantial endangerment described in that paragraph; or (III) to carry out any combination of actions described in subclauses (I) and (II); (iii) with respect to an action described in paragraph (1)(C), to order the Administrator to perform the act or duty referred to in that paragraph; and (iv) with respect to any action described in paragraph (1), to apply any appropriate civil remedy under this title. (b) Additional requirements (1) Actions for enforcement of requirements (A) Notice of violation (i) In general No action may be brought under subsection (a)(1)(A) unless, not less than 60 days before the date on which the action is brought, notice of the violation of the standard, regulation, condition, requirement, prohibition, schedule, deadline, or order for which the action would be brought is provided to— (I) the Administrator; (II) the State in which the alleged violation occurred