; and (II) as applicable, neighboring countries. (2) Duration of approval (A) Initial duration An approval under paragraph (1) shall be initially effective for the two-year period beginning on the date of the determination described in such paragraph. (B) Annual extension The Secretary may annually extend such approval for a one-year period, if the Secretary determines, after considering the recommendations of the Review Committee, that the plan continues to meet the criteria described in paragraph (1) after the State makes such revisions as the Secretary may determine to be necessary. (3) Essential functions For purposes of this subsection, the term essential functions includes, with respect to a State, those functions that enhance the cybersecurity posture of the State, local and tribal governments of the State, and the public services they provide. (e) Planning grants (1) Initial planning grant The Secretary shall require, as a condition of awarding an initial planning grant, that the State seeking the grant— (A) agrees to use the funds to develop a cyber resiliency plan designed to meet the criteria described in subsection (d)(1) ; and (B) submits an application including such information as the Secretary may determine to be necessary. (2) Eligibility for initial planning grant A State shall not be eligible to receive an initial planning grant after the date on which the State first submits a cyber resiliency plan to the Secretary for a determination under subsection (d)(1) . (3) Additional planning grant The Secretary may award an additional planning grant to a State if the State agrees to use the funds to revise a cyber resiliency plan in order to receive an extension in accordance with subsection (d)(2)(B) , and submits an application including such information as the Secretary may determine to be necessary. (4) Limitations on number and timing of grants A State shall not be eligible to receive— (A) more than 2 planning grants under this subsection