; or (B) the temporary cessation is permitted under the exploration or mining permit. (2) Multiple temporary cessations The Secretary concerned may approve more than 1 temporary cessation for mineral activities under a permit. (3) Interim management plan Any operator temporarily ceasing mineral activities shall follow an interim management plan approved by the Secretary concerned. 304. Financial assurances (a) In general Before beginning any mineral activities requiring an exploration or mining permit under this Act, an operator shall provide to the Secretary concerned evidence of a bond, surety, or other financial assurance approved by the Secretary concerned in an amount determined, after public notice and comment, by the Secretary concerned to be sufficient to ensure the completion of reclamation under section 306 and the restoration of any land or water adversely affected by the mineral activities if the work (including any interim stabilization and infrastructure maintenance activities) would be performed by the Secretary concerned (or a third party retained by the Secretary concerned) in the event of forfeiture. (b) Land and water covered The financial assurance shall cover— (1) all land within the initial permit area; (2) all affected water that may require restoration, treatment, or other management as a result of mineral activities; and (3) all land added and water affected pursuant to any permit modification. (c) Review Not later than 3 years after the date on which an operator provides financial assurance in an amount determined under subsection (a) and not later than every 3 years thereafter, the Secretary concerned shall— (1) review the financial assurance to determine if the amount of the financial assurance is adequate for purposes of this section