; and (B) has submitted a plan which meets the requirements of subsection (a) and includes adequate provisions for carrying out child care and early learning programs in such area. (3) Localities (A) Submission by combination In the event that the Secretary determines that a locality does not meet the requirements for designation as a prime sponsor under this section, the Secretary shall take steps to encourage the submission of a prime sponsorship plan, covering the area of such locality, by a combination of localities which are adjoining and possess a sufficient commonality of interest. (B) Approval The Secretary shall approve a prime sponsorship plan submitted by such a combination of localities, if the Secretary determines that the plan so submitted meets the requirements of subsection (a) and includes adequate provisions for carrying out child care and early learning programs in the area covered by the combination of such localities. (4) Indian Tribes and Tribal organizations The Secretary shall approve a prime sponsorship plan submitted by an Indian Tribe or Tribal organization if the Secretary determines that the plan so submitted meets the requirements of subsection (a) and includes adequate provisions for carrying out child care and early learning programs in the area to be served. (5) States The Secretary shall approve a prime sponsorship plan submitted by a State if the Secretary determines that the plan so submitted— (A) meets the requirements of subsection (a); (B) includes adequate provisions for carrying out child care and early learning programs in the area to be served; (C) contains a commitment to coordinating the State's early childhood programs to create a cohesive system, for children from birth to entry into kindergarten, for providing child care and early learning services; (D) demonstrates that the State can deliver a child care and early learning program that ensures coverage of— (i) the entire State