; (3) the Commission shall provide the public with notice of— (A) an initial determination with respect to an area under paragraph (1); (B) the final determination of whether an area is served or unserved after the process for challenging the initial determination, as described in paragraph (2), has concluded; (C) the entities that have applied for a grant; and (D) the results of any decision regarding a grant application, including by identifying— (i) each eligible entity that was awarded a grant; (ii) the areas that each grantee will serve using the grant funds; (iii) the nature of the service that each grantee will provide in each area described in clause (ii); and (iv) the amount that the Commission has authorized each grantee to use to carry out a qualifying project in each unserved area; and (4) the Commission shall establish— (A) broadband buildout milestones and periodic certifications that a grantee must submit to demonstrate compliance with the broadband buildout milestones; (B) a maximum buildout timeframe of 6 years from the date on which the Commission first awards a grant to an eligible entity; (C) periodic reporting requirements for grantees that identify— (i) the nature of the service provided in each unserved area; and (ii) the latitude and longitude coordinates of each location to which the grantee has provided broadband service in each census block; (D) penalties for noncompliance with— (i) the broadband buildout milestones under subparagraph (A); (ii) the certification requirements under subparagraph (A); and (iii) the reporting requirements under subparagraph (C); (E) procedures through which the Commission may recover grant funds, in whole or in part, from a grantee if the grantee defaults or does not comply with the requirements under this Act