; (B) in the administration of a management program approved under section 305; or (C) in coordination and cooperation under this section. (2) Cooperation The Secretary, with the cooperation of the Executive Office of the President, shall seek to mediate the differences involved in a disagreement described in paragraph (1). (3) Public hearings Mediation under this subsection shall, with respect to any disagreement described in paragraph (1)(B), include public hearings in the local area concerned. ; and (7) by adding at the end the following: (j) Interstate and regional coordination (1) In general The coastal States are encouraged— (A) to coordinate State coastal zone planning, policies, and programs with respect to contiguous areas, shared resources, and interstate waters of such States; (B) to study, plan, and implement unified coastal zone policies with respect to such areas