; (B) to provide eligible youth with support services, including case management, child care assistance, child support services, and transportation assistance; and (C) to develop data management systems to assist with programming, evaluation, and records management. (3) Administration An eligible entity may reserve not more than 10 percent of the grant funds for the administration of activities under this section. (4) Carry-over authority Any amounts provided to an eligible entity under this section for a fiscal year may, at the discretion of the Secretary, remain available to that entity for expenditure during the succeeding fiscal year to carry out programs under this section. (h) Program share (1) Planning grants The program share for a planning grant awarded under this section shall be 100 percent of the cost described in subsection (a)(2)(A). (2) Implementation grants (A) In general The program share for an implementation grant awarded under this section shall be 50 percent of the cost described in subsection (a)(2)(B). (B) Exception Notwithstanding subparagraph (A), the Secretary— (i) may increase the program share for an eligible entity; and (ii) shall increase the program share for an Indian tribe or tribal organization to not less than 95 percent of the cost described in subsection (a)(2)(B). (C) Non-program share The eligible entity may provide the non-program share of the cost— (i) in cash or in-kind, fairly evaluated, including plant, equipment, or services