; and (ii) expend any funds received under the grant program not later than 4 years after the date on which the grant agreement under subsection (g) is made. (B) Unobligated amounts After the date described in subparagraph (A)(i), the Secretary may— (i) grant an extension to the eligible entity if the eligible entity has— (I) demonstrated progress in executing the grant; and (II) certified that the eligible entity needs additional time to obligate grant funds; or (ii) award to another eligible entity, to carry out activities under this section, any amounts that an eligible entity has not obligated under subparagraph (A)(i). (d) Application (1) In general The lead applicant of an eligible entity that desires a grant under this section shall submit to the Director an application, at such time and in such manner as the Director shall prescribe, that contains— (A) a description of the project proposed to be carried out by the eligible entity; (B) a budget for the project that includes the anticipated Federal share of the cost of the project and a description of the source of the non-Federal share; (C) the designation of lead applicant to receive and manage any funds received by the eligible entity under the grant program; (D) a signed copy of a memorandum of understanding among local jurisdictions, including, as appropriate, a State, an Indian Tribe, units of general local government, units of special purpose local government, metropolitan planning organizations, rural planning organizations, and regional councils that demonstrates— (i) the creation of an eligible entity; (ii) a description of the nature and extent of planned collaboration between the eligible entity and any partners of the eligible entity; (iii) a commitment to develop a comprehensive regional plan; and (iv) a commitment to implement the plan after the plan is developed