The management program must contain a method of assuring that local land use and water use regulations within the coastal zone do not unreasonably restrict or exclude land uses and water uses of regional benefit. To this end, the management program must:

(a) Identify what constitutes uses of regional benefit; and

(b) Identify and utilize any one or a combination of methods, consistent with the control techniques employed by the State, to assure local land and water use regulations do not unreasonably restrict or exclude uses of regional benefit.