; (B) evaluate the reliability of the data, and the validity and accuracy of the assumptions and models, underlying the estimates; and (C) if appropriate, include recommendations to improve the estimates; and (2) if the Comptroller General determines that the estimates described in that subsection are invalid under paragraph (1)(A), may conduct an estimate of postharvest food loss and waste in the United States. 506. Food waste recovery transportation grants (a) Authority To provide assistance (1) In general From amounts made available to carry out this section, the Secretary of Agriculture shall make grants to assist an eligible entity with— (A) purchasing, leasing, or otherwise acquiring vehicles, including refrigerated vehicles, or other equipment to carry out activities related to food recovery; (B) reimbursing travel costs related to food recovery at the per mile rate established by the Commissioner of the Internal Revenue Service; and (C) the costs of preparing, storing, and transporting donated food. (2) Limitation An eligible entity may only receive one grant under this section. (b) Application To be eligible to receive a grant under subsection (a), an eligible entity shall submit an application to the Secretary of Agriculture, at such time, in such manner, and containing such information as the Secretary of Agriculture may require. (c) Eligible entity To be eligible for a grant under subsection (a), a public food program service provider, a tribal organization, or a private nonprofit entity (including a gleaner) shall— (1) have experience in the area of— (A) food recovery and distribution, particularly concerning small and medium-sized farms; (B) job training and business development activities for food-related activities in low-income communities; or (C) efforts to reduce food insecurity in the community, including food recovery and distribution, improving access to services, or coordinating services and programs