; (II) the National Center for Education Statistics; or (III) the Office of Indian Education of the Department of Education. (ii) Data reconciliation To improve the accuracy of the preliminary report described in clause (i) prior to publishing, the Secretary shall reconcile the data described in the preliminary report with— (I) each existing contracting party's data regarding the number of eligible Indian students served by the existing contracting party for the fiscal year preceding the fiscal year for which the initial determination is made