; (4) in subsection (d)— (A) in paragraph (1)— (i) in subparagraph (B), by striking subsection (j) and inserting subsection (l) ; and (ii) by adding at the end the following: (C) Grant requirements The Secretary— (i) shall not restrict the eligibility of an entity for a grant under this section based on the legal structure of the entity; (ii) shall allow entities to apply for a grant under this section without regard to, or preference for, the legal structure of an entity; (iii) in determining the financial ability of an entity to carry out a project using a grant under this section, shall allow the entity to demonstrate that financial ability by methods that— (I) the Secretary determines to be the least burdensome; and (II) subject to clause (v), are not limited to providing the Federal Government an exclusive first lien on all grant-funded assets during the service obligation of the grant; (iv) subject to clause (v), in determining the required collateral to secure grant funds or to secure performance during the service obligation of a grant, shall allow an awardee to offer alternative security, such as a letter of credit, in lieu of providing the Federal Government an exclusive first lien on all grant-funded assets; and (v) if the Secretary reasonably determines that alternative methods or alternative security established under clause (iii)(II) or (iv) are insufficient to secure performance with respect to a project under this section— (I) may require an entity to provide the Federal Government an exclusive first lien on all grant-funded assets during the service obligation of the grant; and (II) shall release that lien after the Secretary determines that the entity is performing to the satisfaction of the Secretary. ; and (B) in paragraph (2)— (i) in subparagraph (A)(i), by striking 50 and inserting 90