; or (II) if the Federal entity submits the updated plan by the deadline under subparagraph (E)(iv)(II)(bb), the date on which the updated plan is approved or disapproved under subparagraph (F). (iii) Termination of authority to use payment If a Federal entity described in clause (ii) fails to submit the updated plan by the deadline under subparagraph (E)(iv)(II)(bb), or if the updated plan is disapproved under subparagraph (F), the Federal entity may not, after such deadline or the date on which the updated plan is disapproved (as the case may be), conduct any activities using such payment, until such time as the updated plan is submitted or resubmitted (as the case may be) and approved under subparagraph (F). (H) Role of NTIA (i) Oversight by NTIA The NTIA shall— (I) establish and carry out a process to conduct oversight of the execution of plans approved under subparagraph (F); (II) in accordance with subparagraph (D)(i)(II), review plans submitted under subparagraph (D)(i)(I), determine whether the activities described in such plans and the costs associated with such activities are appropriate, and advise the Director of OMB as to the appropriateness of such costs; (III) in accordance with subparagraph (E)(i)(II), review the interim results of the activities conducted by Federal entities using payments under this subsection and advise the Director of OMB regarding subsequent payments to such entities; (IV) in accordance with subparagraph (E)(iv)(I), determine whether revisions to the activities that a Federal entity is conducting with a payment under this subsection are required and, if so, direct the Federal entity to revise such activities; (V) in accordance with subparagraph (E)(iv)(II), consult with the Director of OMB on the need for the Federal entity to submit an updated plan under subparagraph (D)(i)(I) to reflect any such revised activities