; or (B) durable equipment need or impairment. (3) Oversight The Secretary, acting through the Under Secretary for Rural Development, shall establish procedures to oversee any project or purchase for which a loan guarantee is issued under this subsection. (4) Guarantee amount A loan guarantee issued under this subsection may not guarantee more than 80 percent of the principal amount of the loan. (5) Fees and costs (A) In general The Secretary shall establish fees for loan guarantees under this subsection that, to the maximum extent practicable, are equal to the total cost of the loan guarantees (as defined in section 502(5) of the Federal Credit Reform Act of 1990 ( 2 U.S.C. 661a(5) )), as determined by the Secretary. (B) Fee shortfall If the fees established under subparagraph (A) are not equal to the total cost of the loan guarantees described in that subparagraph, the Secretary may use the funds made available under paragraph (6)(A) to pay for the costs of loan guarantees not covered by the fees. (6) Authorization of appropriations (A) In general There is authorized to be appropriated to carry out this subsection $5,000,000 for each of fiscal years 2020 through 2024. (B) Technical assistance The Secretary may use not more than 5 percent of the amount made available to carry out this subsection for each fiscal year to provide technical assistance to applicants and prospective applicants in preparing applications and creating financing packages that leverage a mix of public and private funding sources. (c) Equipment grants (1) In general Subject to the availability of appropriations provided in advance in an appropriations Act specifically for the purpose of carrying out this subsection, the Secretary shall award competitive grants to State agencies to award subgrants to eligible entities to purchase the durable equipment needed to serve healthy meals, improve food safety, and help support the establishment, maintenance, or expansion of school meal programs. (2) Preferences In awarding a subgrant under this