; (ii) in any case in which the project sponsor determines that a category of benefit referred to in clause (i) shall not be applicable to a proposed project, the Secretary shall not assign a rating to the category; and (iii) for a project to receive a cumulative rating of medium for that paragraph, the Secretary shall not require a minimum level of benefits from any single category of benefit described in any of clauses (i) through (viii) of that paragraph. (D) Optional benefit evaluation (i) In general In the case of a project for which the project sponsor requests a grant in an amount of $25,000,000 or less under this section, the project sponsor may request that the Secretary carry out an evaluation described in paragraph (1)(C). (ii) Consideration If a project sponsor requests an evaluation under clause (i), the evaluation shall be considered by the Secretary in making funding recommendations under subsection (i). (E) Non-Federal financial requirement In determining if a project is justified for purposes of paragraph (1)(D), the Secretary shall require that each proposed non-Federal source of capital and operating funding and financing is stable, reliable, and available within the proposed project timetable. (F) Evaluation of non-Federal financial commitment In the case of a project for which the project sponsor requests a grant in an amount greater than $25,000,000 under this section, in assessing the stability, reliability, and availability of proposed sources of proposed sources of non-Federal funding and financing for purposes of paragraph (1)(D), the Secretary shall consider— (i) the extent to which the project has a non-Federal financial commitment that exceeds the required non-Federal share of the cost of the project