If an eligible jurisdiction notifies the Secretary in writing, not later than 30 days after receiving notification under paragraph (1), of its intention to become a participating jurisdiction, the Secretary shall reserve an amount equal to the jurisdiction’s allocation (plus any reallocations for which the jurisdiction is eligible under section
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(d)(1) of this title) pending the jurisdiction’s designation as a participating jurisdiction. The Secretary shall reallocate, in accordance with paragraph (6) of this section, any funds reserved under the previous sentence if the Secretary determines that the jurisdiction will not meet the requirements for designation as a participating jurisdiction within a reasonable period of time.