; or (2) expand operations at an existing internet exchange facility in a core based statistical area in which, at the time the grant is made, there is only one internet exchange facility. (b) Eligibility An entity may not receive a covered grant unless the entity certifies to the Assistant Secretary that the entity has sufficient interest from third-party entities that will use the internet exchange facility to be funded by the grant once the facility is established or operations are expanded, as applicable. (c) Federal share The Federal share of the total cost of the establishment or expansion of operations at an internet exchange facility for which a covered grant is received may not exceed 50 percent. (d) Applications (1) Rules and timelines Not later than 1 year after the date of the enactment of this Act, the Assistant Secretary shall establish rules and timelines for applications for covered grants. (2) Third-party review To prevent fraud in the covered grant program, the Assistant Secretary shall enter into a contract with an independent third party under which the third party reviews an application for a covered grant not later than 60 days after the date on which the application is submitted to ensure that only an entity that is eligible for a covered grant receives a covered grant. (e) Rule of construction Nothing in this section shall be construed to authorize the Assistant Secretary to regulate, issue guidance for, or otherwise interfere with the activities at an internet exchange facility. (f) No additional funds authorized No additional funds are authorized to be appropriated to carry out this section. This section shall be carried out using amounts otherwise authorized. 3. Use of E-Rate and Rural Health Care universal service support Section 254 of the Communications Act of 1934 ( 47 U.S.C. 254 ) is amended by adding at the end the following: (m) Use of E-Rate and Rural Health Care support for costs relating to internet exchange facility connection (1) In general Notwithstanding any other