; (ii) the allotment shall be managed in accordance with the authorities under which the allotment was managed before the date on which the Secretary concerned entered into the cooperative agreement, including any allotment management plan that applied to the allotment before that date; and (iii) no new NEPA process shall be required with respect to the use, in accordance with clause (ii), of an allotment management plan that applied to the allotment before the date on which the Secretary concerned entered into the cooperative agreement. .