under this section shall be consistent with State hazard mitigation plans and natural disaster response and recovery programs developed under State or Federal law. (4) Allocation Grants under this section shall be available only to coastal states with management programs approved by the Secretary under section 306 and shall be allocated among such coastal states in a manner consistent with regulations promulgated pursuant to section 306(c). (5) Priority In the awarding of grants under this subsection the Secretary may give priority to any coastal state that has received grant funding to develop program changes pursuant to paragraphs (1), (2), (3), (5), (6), (7), and (8) of section 309(a). (6) Technical assistance The Secretary may provide technical assistance to a coastal state consistent with section 310 to ensure the timely development of plans supported by grants awarded under this subsection. (7) Federal Approval In order to be eligible for a grant under subsection (d), a coastal state must have its plan developed under this section approved by the Secretary. (d) Coastal adaptation project grants (1) In general The Secretary, subject to the availability of appropriations, may make grants to any coastal state that has a climate change adaptation plan approved under subsection (c)(7), in order to support projects that implement strategies contained within such plans. (2) Program requirements The Secretary within 90 days after approval of the first plan approved under subsection (c)(7), shall publish in the Federal Register requirements regarding applications, allocations, eligible activities, and all terms and conditions for grants awarded under this subsection. No less than 30 percent, and no more than 50 percent, of the funds appropriated in any fiscal year for grants under this subsection shall be awarded through a merit-based competitive process. (3) Eligible activities The Secretary may award grants to coastal states to implement projects in the coastal zone to address stress factors in order to improve