; and (ii) not concurrently receive any other broadband grant administered by the Rural Utilities Service, the Department of the Treasury, the National Telecommunications and Information Administration, or a State grant program. (B) Loan or loan guarantee A borrower may use a loan or loan guarantee provided under this section to carry out a project in a proposed service territory only if, as of the date on which the application for the loan or loan guarantee is submitted, not less than 50 percent of the locations in the proposed service territory are unserved or have service levels below the minimum acceptable level of fixed terrestrial broadband service, whether wireline or licensed wireless, established under subsection (e). (3) Equity and market survey requirements (A) In general The Secretary may require an entity to provide matching funds under this section in an amount not to exceed 10 percent of the amount of the grant, loan, or loan guarantee requested in the application of the entity, unless the Secretary determines that a higher percentage is required for financial feasibility. (B) Market survey (i) In general The Secretary may require an entity that proposes to have a subscriber projection of more than 20 percent of the broadband service market in a rural area to submit to the Secretary a market survey. (ii) Less than 20 percent The Secretary may not require an entity that proposes to have a subscriber projection of less than 20 percent of the broadband service market in a rural area to submit a market survey under clause (i). (iii) Information Information submitted under this subparagraph shall be— (I) certified by the affected community, city, county, or designee; or (II) demonstrated on— (aa) the broadband map of the affected State if the map contains address-level data